The business scenarioA procurement system outside SAP is where users capture supplier invoices. Each invoice is sent to S/4HANA as a JSON message and posted as a logistics invoice, exactly as if an AP clerk had entered it in MIRO:External system ──JS...
In Part 3 of my SAP RAP learning journey, I rebuild my Student Management Application using Unmanaged RAP on SAP S/4HANA 2023. This hands-on tutorial explores Behavior Definitions, custom CRUD implementation, transactional buffering, the save sequenc...
This step-by-step guide shows how to integrate an AI assistant into the Business Partner (BP) transaction using ABAP AI tools.
How does a follow-up question reach the same ABAP agent and retain the context of an earlier answer? Follow a conversation through WebSocket requests, background execution, and response delivery, and see how the SDK message container preserves contex...
Same table, same client, two answers: MARD stock is 4,860,442 with ABAP SQL and 3,500 with native SQL. I counted the replacement objects in S/4HANA 2020 and 2023, and checked who is not redirected.
The ABAP debugger often shows you exactly the data you need for a unit test. DDVE turns it into a ready-to-paste VALUE statement with one click – and the latest update makes that statement typed, with inline declarations. Plus: what the community has...
In Part 2 of my SAP RAP learning journey, I enhance my Student Management Application with advanced Managed RAP features, including Selection Fields, Validations, Determinations, Custom Actions, and Draft Handling. This hands-on tutorial covers step-...
SAP publishes one file per release with the state of every object for ABAP Cloud. I counted 20 of them, from 2208 to today. The headline number almost tripled, but the growth is not where you'd expect.
In this blog, I share my first hands-on experience with the SAP ABAP RESTful Application Programming Model (RAP) by building a Student Management Application using Managed RAP. I'll walk through the development process, from creating the database tab...
Learn how to implement Excel export functionality in SAPUI5 freestyle applications using the sap.ui.export.Spreadsheet API. This step-by-step guide covers XML view integration, controller implementation, custom Excel column headers, exporting selecte...
Learn how to update an existing SAP ABAP Table Maintenance Generator (TMG) after adding or removing fields in a custom table. This blog explains how to use the appropriate generation settings to adjust the existing maintenance dialog, reduce unnecess...
An LLM agent can read, change, and activate ABAP code through an MCP server. Measurements show where the tokens go, why the method is the right unit of change, and how the shape of a tool result can make a local model loop.
A VA01 question this morning: lock the partner fields without touching LV09CF63. No user exit, no BAdI, but SAP had already solved the same thing in the same function group.
A recorded SAP GUI script works once, then breaks after a support package or on a colleague’s PC. Here are eight reasons recorded scripts are hard to maintain, with practical fixes for each one.
SAP RAP Managed Scenario — Step-by-Step Guide A complete, beginner-friendly implementation of an SAP ABAP RESTful Application Programming Model (RAP) Managed Business Object — built on SAP BTP ABAP Environment Trial. This repo...
TL;DR: ABAP report on ZX Spectrum, CP/M, MOS AgonLight (ez80), and a mac.
abap2UI5 builds a complete UI5 app from a single ABAP class – and it does not compete with RAP or Fiori Elements, it complements them. This post shows where it fits next to the technologies you already use, how to get started in minutes, and what is ...
A forum question asked how to bring the Net Amount from WB2R_SV into a Fiori Elements report. I went looking for the table and found a structure that the settlement logic fills at run time. How I followed it from the list to the method, and the three...
My students keep asking: can I use this in ABAP Cloud? So I counted every release state in my S/4HANA 2023 lab. Out of 5,487 BAPI function modules, 19 are released, 148 are explicitly "not to be released", and the other 5,320 have no entry at all. Wh...
VF04 reads one table, the billing index VKDFS. I read the code in S/4HANA 2020 and 2023 to list the six places that decide whether a document shows up, from the missing goods issue to the default "billing date to" and the only box that comes ticked.
Two calls change the same sales order at the same time and the second one ends with V1 042. I read the lock code in S/4HANA 2020 and 2023: the lock is taken at read time, covers the whole document, never waits, and lives until the update ends.
You add a field to the BP credit segment (UKM000) with BDT, it shows on the screen, and after Save it is blank. I read the standard code in S/4HANA 2020 and 2023: two traps decide it, where the field is appended and which function group holds the val...
Moving to SAP S/4HANA does not automatically eliminate ABAP performance problems. Explore 10 practical anti-patterns involving SQL, internal tables, CDS views, and database access, along with optimization techniques and performance analysis using ST0...
VA05 in S/4HANA has its own BAdIs for custom columns. I read what the code does with them in S/4HANA 2020 and 2023: only visible columns are read, a column with a standard name is dropped, and two active implementations make both stop running without...
Building agents, CI pipelines or tools on the ADT REST API? Most of my bugs were places where the API answers 200, "finished" or an empty list, and something else happened. Eight traps, measured in an S/4HANA 2023 system, with the reason behind each ...
A local AI model keeps the client's code on your machine and has no token bill. I measured what that looks like on a normal developer PC: speed, how much of the ABAP compiles and passes hidden tests on S/4HANA 2023 and 2020, and four things to check ...
A CDS view with joins, a consumer that reads one field. I measured on 7.55 and 7.58 which joins HANA drops, which one it never drops, and what happens to your row count when the declared cardinality is wrong.
In one of my SRM sourcing developments I needed to move RFx responses (bids) to a new status from custom code: accept a bid in one case, reject it in another. The business status of a response is not a field you can simply update. It lives in the gen...
OData POST Returning 403 "CSRF Token Validation Failed"? A Practical Checklist: ~CHECK_CSRF_TOKEN, and the Headers People Forget
I recently built a unified approval inbox for SRM documents — one Fiori-style screen where an approver could see everything waiting on them across document types and approve or reject in bulk, instead of opening each document individually. The single...
The ATC findings on database tables are the ones everybody scrolls past. I read the class behind the Table Attributes Check in S/4HANA 2020 and 2023 and ran it on 12 real tables: two of its rules are errors, and "Buffering not allowed" doesn't silenc...
A POST to an ABAP OData V4 service fails with /IWBEP/CM_V4H_RUN/042 "CSRF token is invalid", and the token is right there in the request. I followed the check in the standard code of S/4HANA 2020 and 2023: here is what it really validates, and the co...
You put a WHERE on top of your CDS Table Function. Does HANA filter at the table, or after running your whole SQLScript? I measured four styles of table function on S/4HANA 2023, with execution plans and timings.
I replaced BAPI_PO_CREATE1 with EML on I_PurchaseOrderTP_2 in my S/4HANA 2023 lab. The code was short. The surprises were not.
Most ABAP incident time goes into finding things, not fixing them. I export the whole package as plain text with a small read-only report (ZGCTS_EXPORT), let Claude build a knowledge graph from it, and then debug by asking questions. In my support wo...
As we know, when we change any entry in the ALV grid from CL_GUI_ALV_GRID, event DATA_CHANGED will be triggered, and we can do some custom validation checks there.However, you may have faced this situation, after you change the ALV and push on some u...
Learn how to combine SAP S/4HANA Email Templates, CL_SMTG_EMAIL_API, and CL_BCS to send branded HTML emails with CID-based inline images while keeping the subject and body maintainable outside the ABAP code.
I had a requirement in one of my RAP applications to display the change history of a business object.The Change Log needed to show the field name, old value, new value, changed by, changed date/time, and the action performed.I checked the available o...
In this blog, we will explore an end-to-end implementation of a managed RAP Business Object for Agency and Employee Management, where an Agency can have multiple Employees and employees can be organized into a hierarchical structure based on their ma...
Why abap2xlsx on ABAP Cloudabap2xlsx now runs on SAP S/4HANA Cloud Public Edition in ABAP Cloud (language version ABAP for Cloud Development), with 0 ATC findings and 197 green ABAP Unit tests. Every feature below was checked with real files opened i...
CDS Performance Analysis – Understanding Dependencies and ComplexityABAP CDS enables powerful Code Pushdown, but using CDS does not automatically guarantee optimal performance. In real-world scenarios, complex CDS stacks can contain multiple layers, ...
On S/4HANA Cloud Public Edition you can generate real Microsoft Word documents from ABAP without parsing or rewriting word/document.xml. Instead of making ABAP render the document, you let Word render it: the template carries Content Controls bound t...
This blog walks through the full arc — from understanding the risk of legacy custom ABAP to making the renovate-or-re-platform decision and shaping a clean core strategy. Legacy Custom Code - Strategic RiskAcross global enterprises, decades of classi...
This blog explains how to troubleshoot cases where Purchase Requisitions are not automatically converted into Purchase Orders during background processing. It covers debugging the standard SAP program RM06BB30 using JDBG, analyzing the GT_TODO table,...
In my old blog 'How to get the new ABAP editor in LSMW' I described how a single enhancement enables the new ABAP editor in SAP's LSMW. While that solution only takes one implicit enhancement spot, it has a few (minor) limitations. In this next blog ...
SAP ABAP · Performance · Parallel ProcessingFrom 10 Minutes to 30 Seconds with CL_ABAP_PARALLELWhat happens when a production inspection screen has to read 30+ inspection points — and every point requires its own BAPI call?In our case, the answer was...
This blog explains an integration approach for sending SAP workflow approval requests to Microsoft Teams using SAP CPI and Power Automate, processing Approve/Reject responses back to SAP, and cancelling Teams approvals when the workflow is already co...
SAP MCP can already significantly accelerate the orchestration, generation, and verification of RAP/Fiori development. However, fully autonomous, agent-driven SAP development still faces some growing pains, such as the virtual ADT file system and spe...
Learn how to implement Excel file upload validation in SAP RAP using MIME type validation and RAP validations. This blog demonstrates how to accept only .xlsx and .xls files, reject unsupported formats, and display meaningful error messages using FAI...
Using RAP is generally the proposed "new" way of developing within ABAP, be that on-stack or via the BTP ABAP environment, both for fully custom solutions but also for extensions (where possible). And while the development part is the most fun (of co...
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