How To Fix UACC031 - Invalid command &1 during upload

UACC031 - Overview

• Message type: E = Error

• Message class: UACC - Message Class for Concurrent Costing Adapter

• Message number: 031

• Message text: Invalid command &1 during upload

What causes this issue?

Upload command &v1& is invalid and cannot be processed.

System Response

Command &v1& is skipped.

How to fix this error?

Instead use one of the following valid upload commands if possible:
'00_INS_O',,,,- Create an object
'01_INS_HO',,,,- Create a hierarchy object (for structuring)
'10_UPD_O',,,,- Change an object
'11_UPD_HO',,- Change a hierarchy object
'20_DEL_O',,,,- Delete an object
'30_INS_N',,,,- Create a node
'40_UPD_N',,,,- Change a node
'50_DEL_N',,,,- Delete a node
'60_INS_E',,,,- Create a link
'61_INS_HE',,,,- Create a hierarchy link (the receiver must be a
hierarchy object)
'70_UPD_E',,,,- Change a link
'80_DEL_E',,,,- Delete a link
'90_WRT_CC',,- Write a cost component split
'A0_INS_TLI',,,,- Create a table line
'B0_UPD_TLI',,- Change a table line
'C0_DEL_TLI',,- Delete a table line

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

UACC031 - Details

• The SAP error message UACC031, which states "Invalid command &1 during upload," typically occurs during data uploads when the system encounters an unrecognized or incorrect command in the data being processed. This can happen in various contexts, such as when using tools like LSMW (Legacy System Migration Workbench), BAPIs, or other data upload methods.
  Causes:
  
  Incorrect Command Syntax: The command specified in the upload file may not be recognized by the SAP system, possibly due to a typo or incorrect formatting.
  Unsupported Commands: The command being used may not be supported in the context of the upload process.
  Data Format Issues: The data being uploaded may not conform to the expected format, leading to misinterpretation of commands.
  
  Configuration Issues: There may be configuration settings in the upload process that are not set correctly, leading to command recognition issues.
  Version Mismatch: The version of the data upload tool or method being used may not be compatible with