How To Fix DPR_BAPI138 - Incorrect GUID in BAPI Interface (Field &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: DPR_BAPI - Messages for BAPIs in Project Management

• Message number: 138

• Message text: Incorrect GUID in BAPI Interface (Field &1)

What causes this issue?

You have entered at least one GUID in the BAPI interface that is
technically incorrect. The following rules apply to each GUID in the
BAPI interface irrespective of the business significance of the GUID:
The GUID must have 32 characters
The GUID may only contain values between 0 and 9 and A and F
The values between A and F must be entered as capital letters

System Response

If the GUID in the BAPI interface is for the superior object or an
object that is to be processed, the BAPI is terminated immediately.
If the GUID is in a structure, the object to be processed is loaded and
then locked if necessary. The BAPI then terminates when the structure is
checked.

How to fix this error?

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

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 DPR_BAPI138 - Incorrect GUID in BAPI Interface (Field &1) ?

  The SAP error message DPR_BAPI138 Incorrect GUID in BAPI Interface (Field &1) typically occurs when there is an issue with the GUID (Globally Unique Identifier) being passed to a BAPI (Business Application Programming Interface) function module. This error indicates that the GUID provided does not conform to the expected format or does not correspond to a valid object in the system.
  Causes:
  
  Invalid GUID Format: The GUID may not be in the correct format. A valid GUID should be a 32-character hexadecimal string, often represented in a specific format (e.g., xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).
  Non-Existent Object: The GUID may refer to an object that does not exist in the system. This could happen if the object was deleted or if the GUID was incorrectly copied or generated.
  Data Consistency Issues: There may be inconsistencies in the data, such as if the GUID was changed in one part of the system but not updated in others.
  Incorrect Mapping: If