How To Fix EA779 - Syntax table for predecessor & is empty

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 779

• Message text: Syntax table for predecessor & is empty

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message EA779 - Syntax table for predecessor & is empty ?

  The SAP error message EA779 indicates that the syntax table for a predecessor is empty. This typically occurs in the context of SAP's production planning and control (PP) or project system (PS) modules, where predecessor relationships are defined for tasks or operations.
  Cause:
  
  Missing Data: The syntax table for the predecessor may not have been populated with the necessary data. This can happen if the predecessor relationships were not defined correctly or if there was an error during data entry.
  Configuration Issues: There may be configuration issues in the system that prevent the syntax table from being populated correctly.
  Transport Issues: If the system has recently undergone a transport of changes, it is possible that the necessary data was not included in the transport request.
  Custom Development: If there are custom developments or enhancements in the system, they may inadvertently affect the population of the syntax table.
  
  Solution:
  
  Check Predecessor Relationships: Verify that the predecessor relationships are correctly defined in the relevant master data (e.g., routing, work center, or project definitions). Ensure that all necessary entries are present.
  Maintain Syntax Table: If the syntax table is indeed empty, you may need to populate it manually. This can typically be done through transaction codes like OPR1 (for routing) or CJ20N (for project management).
  Review Configuration: Check the configuration settings related to the production planning or project system to ensure that they are set up correctly. This may involve reviewing the settings in SPRO (SAP Project Reference Object).
  Transport Request: If the issue arose after a transport, check the transport request to ensure that all necessary objects were included and that there were no errors during the transport process.
  Consult Documentation: Review SAP documentation or notes related to the specific error message for any additional guidance or known issues.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OPR1, CJ20N, C223, or C220 for managing routing and project definitions.
  SAP Notes: Search for SAP Notes related to error EA779 in the SAP Support Portal for any patches or updates that may address the issue.
  User Forums: Check SAP community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the EA779 error in your SAP system.