How To Fix /SMB/TASK001 - Illegal call: Building Block or Sequence Number is initial.

/SMB/TASK001 - Overview

• Message type: E = Error

• Message class: /SMB/TASK -

• Message number: 001

• Message text: Illegal call: Building Block or Sequence Number is initial.

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 /SMB/TASK001 - Illegal call: Building Block or Sequence Number is initial. ?

  The SAP error message /SMB/TASK001 Illegal call: Building Block or Sequence Number is initial typically occurs in the context of the SAP Business ByDesign or SAP S/4HANA systems when there is an issue with the configuration or execution of a task or process that relies on specific building blocks or sequence numbers.
  
  Cause:
  
  Missing Configuration: The error often indicates that a required building block or sequence number has not been defined or initialized in the system.
  Incorrect Sequence: The process may be trying to execute a task that requires a specific sequence number that has not been set or is not available.
  Data Integrity Issues: There may be issues with the data integrity where the expected values are not present, leading to the system being unable to proceed with the task.
  Custom Development: If there are custom developments or enhancements in the system, they may not be handling the initialization of building blocks or sequence