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You are getting an error message while using our product. In the table below you can check if it is a known error message and find the respective Note to resolve it.

Error Note
INFO [http-nio-8080-exec-9] org.apache.coyote.http11.AbstractHttp11Processor.process Error parsing HTTP request header
Server Response Code:400
GET null 400
No connection to server
A Network or server issue is temporarily limiting features
Connection failed: Forbidden
"com.datango.pdb.importer.XLSCollaboratorImport.doImport() com.datango.pdb.importer.XLSCollaboratorImport.importExcel() cell is null,please set cell-row:x column:x"
com.datango.pdb.authentication.TreeAuthenticater|com.datango.pdb.exception.CollaboratorServerException: com.datango.pdb.authentication.TreeAuthenticater.authenticateUser():531
Wrong database version
HttpEndRequest failed. - System error: The operation timed out (12002)
Check base path: invalid
com.datango.pdb.import.ImportServletWizard.doPost():366: - caused by: Receive timed out
IoExeption amzip::Extractor: Unknown Error
This content can't be shown in a frame
"Error: SAP DBTech JDBC: [305]: single-row query returns more than one row: ptime::PtimeException]"
Status: 400 : Bad Request
 {"status":500,"message":"com.datango.pdb.web.PDBEntityServlet.doGet():-1: error in database - caused by: Procedure or function get_subtreexml has too many arguments specified.","message_error_code":""}
The connection to the remote workarea is not yet ready. Please try again later.
ZIP error in C:\Users\<UserID>\AppData\Local\Temp\wpb_cloud\Cache\<filename>.
 Unique constraint violated.

For more detail see this document: