Message type: E = Error
Message class:  FKK_ID_PT_SIGN - Digital Signature Portugal FI-CA/IS 
Message number: 527
Message text: Number range number is not defined.
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The SAP error message FKK_ID_PT_SIGN527 indicates that a number range is not defined for a specific transaction or process in the SAP system, particularly in the context of contract accounts receivable and payable (FI-CA). This error typically arises when the system attempts to generate a document or record that requires a unique identifier, but the necessary number range has not been set up.
Cause: Missing Number Range Definition: The number range for the specific document type or transaction is not defined in the system. Incorrect Configuration: The configuration settings for the number range may be incomplete or incorrect. Authorization Issues: The user may not have the necessary authorizations to access or define number ranges.
Solution: To resolve the error, follow these steps: Define Number Range: Go to the SAP transaction code SNRO (Number Range Objects). Check if the number range object related to the error (e.g., for contract accounts) is defined. If it is not defined, create a new number
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