How To Fix C1077 - Allowed values are not consistent

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 077

• Message text: Allowed values are not consistent

What causes this issue?

You have changed the data format. The system checked the allowed values
maintained and discovered that the format of value &v1& is
inconsistent.

How to fix this error?

Remove your format changes, then check the allowed values for
compatibility with the format changes you want to make.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1077 - Allowed values are not consistent ?

  The SAP error message C1077, which states "Allowed values are not consistent," typically occurs in the context of configuration settings or data entry where the allowed values for a particular field or parameter do not match the expected or defined values in the system. This can happen in various modules, such as Material Management (MM), Sales and Distribution (SD), or others, depending on the context of the error.
  Causes:
  
  Inconsistent Configuration: The allowed values for a field may have been changed or not properly configured in the system, leading to inconsistencies.
  Data Entry Errors: Users may be entering values that do not match the predefined allowed values in the system.
  Missing Master Data: Required master data (like material master, customer master, etc.) may not be set up correctly, leading to discrepancies in allowed values.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), there may be inconsistencies if the transport was not executed correctly.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the relevant module to ensure that the allowed values are correctly defined. This can be done through transaction codes like SPRO (SAP Project Reference Object).
  Validate Data Entry: Ensure that the values being entered by users are valid and match the allowed values defined in the system.
  Review Master Data: Check the relevant master data records to ensure they are complete and correctly configured. For example, if the error occurs in MM, check the material master records.
  Transport Review: If the issue arose after a transport, verify that all necessary objects were included in the transport request and that the transport was successful.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module or transaction where the error occurs for additional guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for configuration and master data management, such as MM01 (Create Material), MM02 (Change Material), or similar codes for other modules.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for specific notes in the SAP Support Portal.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users' experiences.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and data setup in your SAP environment.