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Can I restrct MATNR to 18 characters in S4HANA

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I am migrating my ECC system to S4HANA and I am aware that the Material Length Extension Functionality Adoption is optional.

1)But if I do not adopt the functionality, will MATNR remain 18 characters or it will still be 40 characters ?
2) Will I need to adopt my Custom Code and BAPIs related to MATNR.

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former_member183424
Active Contributor

This function needs to be activated in case want to use 40 characters functionality. Read the blog post https://blogs.sap.com/2016/03/08/material-number-field-length-extension/

For BAPI related information, please read the KBA document 2489676 - how to use long material number in SD SALES BAPI


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I do not think you understood my question. My apologies if it is unclear

If I do not activate the functionality, will MATNR be still 40 characters ?

former_member183424
Active Contributor
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The DDIC related changes will be there in S4HANA irrespective of your configuration.