How To Fix CRM_R3_PO021 - Item number &1 has more than six digits (not possible in APO)

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_R3_PO - Messages for Distribution of Purchase Contracts to R/3

• Message number: 021

• Message text: Item number &1 has more than six digits (not possible in APO)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_R3_PO021 - Item number &1 has more than six digits (not possible in APO) ?

  The SAP error message CRM_R3_PO021 indicates that an item number in a Purchase Order (PO) has more than six digits, which is not supported in the Advanced Planning and Optimization (APO) module. This error typically arises when there is an attempt to transfer or process a Purchase Order that contains item numbers exceeding the six-digit limit.
  Cause:
  
  Item Number Format: In SAP APO, item numbers are limited to six digits. If the item number in the Purchase Order exceeds this limit, the system will throw this error.
  Data Migration or Integration Issues: If data is being migrated from another system or integrated from different SAP modules, item numbers may not conform to the APO requirements.
  Custom Development: Custom programs or enhancements may inadvertently create item numbers that exceed the allowed length.
  
  Solution:
  
  Check Item Numbers: Review the item numbers in the Purchase Order to ensure they are within the six-digit limit. If they exceed this limit, you will need to modify them.
  Data Correction: If the item numbers are incorrect, you may need to correct them in the source system or during the data transfer process.
  Mapping and Transformation: If you are integrating data from another system, ensure that there is a mapping or transformation process in place to truncate or modify item numbers to fit within the six-digit limit.
  Custom Logic Review: If custom developments are involved, review the logic to ensure that it adheres to the APO constraints.
  Consult Documentation: Refer to SAP documentation or notes related to item number handling in APO for any specific guidelines or best practices.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  APO Configuration: Review the configuration settings in APO to understand how item numbers are managed and any potential settings that may affect this.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new issues arise from the changes made.
  
  By addressing the item number format and ensuring compliance with APO requirements, you should be able to resolve the CRM_R3_PO021 error.