How To Fix UMGLOG420 - Table DDXTT_CONV_UC contains entries.

SAP Error Message - Details

• Message type: E = Error

• Message class: UMGLOG - Message class for the SPUMG Main Log

• Message number: 420

• Message text: Table DDXTT_CONV_UC contains entries.

What causes this issue?

The check "Inactive Nametabs UC" looks for table entries in table
DDXTT_CONV_UC. The table is the so called "inactive alternate nametab".
In general this table is empty. A non empty table DDXTT_CONV_UC
indicates that nametabs have been generated not correctly. This can have
an impact on the consistency of the system after the Unicode conversion
because of the nametab switch during Unicode conversion.
Please read note 932779 for more information on the handling of nametabs
in the Unicode conversion.

System Response

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

How to fix this error?

Before the Unicode conversion you have to delete all the entries from
the table DDXTT_CONV_UC.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UMGLOG420 - Table DDXTT_CONV_UC contains entries. ?

  The SAP error message UMGLOG420 indicates that the table DDXTT_CONV_UC contains entries that are causing an issue, typically related to the conversion of data types or structures during a transport or upgrade process. This error is often encountered in the context of system upgrades, data migrations, or when working with transport requests.
  
  Cause:
  The presence of entries in the DDXTT_CONV_UC table suggests that there are unresolved conversion issues related to data types or structures that need to be addressed before proceeding with the operation that triggered the error. This table is used to store conversion information for data types, and if it contains entries, it indicates that there are pending conversions that need to be resolved.
  
  Solution:
  To resolve the UMGLOG420 error, you can follow these steps:
  
  
  Check the Contents of the Table:
  
  Use transaction code SE11 or SE16 to view the contents of the DDXTT_CONV_UC table. This will help you identify which entries are causing