How To Fix FMCA_PSOB128 - Data record could not be saved; key field is missing

FMCA_PSOB128 - Overview

• Message type: E = Error

• Message class: FMCA_PSOB - Contract Object

• Message number: 128

• Message text: Data record could not be saved; key field is missing

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA_PSOB128 - Data record could not be saved; key field is missing ?

  The SAP error message FMCA_PSOB128 indicates that a data record could not be saved because a key field is missing. This error typically occurs in the context of financial management or controlling modules, particularly when dealing with data records that require specific key fields to be populated for successful processing.
  
  Cause:
  The error is usually caused by one or more of the following reasons:
  
  Missing Key Fields: The required key fields that uniquely identify a record are not filled in. This could be due to user input errors or system configuration issues.
  Data Entry Issues: During data entry, certain mandatory fields may have been left blank, leading to the inability to save the record.
  Configuration Problems: There may be issues with the configuration of the relevant module or transaction, where the key fields are not properly defined.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or modify certain key fields.
  
  
  Solution:
  To resolve