How To Fix 5B144 - Entries for external object types are not allowed (acc. to table T77EO)

SAP Error Message - Details

• Message type: E = Error

• Message class: 5B -

• Message number: 144

• Message text: Entries for external object types are not allowed (acc. to table T77EO)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5B144 - Entries for external object types are not allowed (acc. to table T77EO) ?

  The SAP error message 5B144 indicates that there are entries for external object types that are not allowed according to the configuration in table T77EO. This error typically arises in the context of SAP's Organizational Management (OM) or related modules where object types are defined and managed.
  
  Cause:
  The error occurs when:
  
  You are trying to create or modify an object in SAP that is classified as an external object type, but the system does not allow entries for that type based on the settings in table T77EO.
  The configuration in T77EO may not permit the creation of certain external object types, or there may be a mismatch in the expected object type and the one being used.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Table T77EO:
  
  Go to transaction code SE11 (Data Dictionary) and enter the table name T77EO.
  Review the entries in this table to understand which object types are allowed and