How To Fix C+351 - Step: Unlock materials in plant

SAP Error Message - Details

• Message type: E = Error

• Message class: C+ -

• Message number: 351

• Message text: Step: Unlock materials in plant

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 C+351 - Step: Unlock materials in plant ?

  The SAP error message C+351, which occurs during the step "Unlock materials in plant," typically indicates that there is an issue related to the unlocking of materials in a specific plant. This error can arise in various contexts, such as during inventory management, material master data processing, or production planning.
  Cause:
  
  Material Locking: The material may be locked for various reasons, such as ongoing transactions, open purchase orders, or production orders that are still active.
  User Authorization: The user may not have the necessary authorizations to unlock the materials.
  System Configuration: There may be configuration settings in the system that prevent the unlocking of materials.
  Data Consistency Issues: There could be inconsistencies in the material master data or related tables that are causing the error.
  
  Solution:
  
  Check Material Status: Verify if the material is currently locked due to ongoing transactions. You can check the status of the material in the material master (MM03) or through transaction codes like MB52 or MB5B.
  Unlock the Material: If you have the necessary authorizations, you can manually unlock the material using transaction codes like MM02 (Change Material) or through the appropriate unlocking function in the system.
  Review Authorizations: Ensure that the user has the required authorizations to perform the unlocking operation. This may involve checking roles and permissions in the user profile.
  Consult with IT Support: If the issue persists, it may be necessary to consult with your SAP Basis or IT support team to investigate any underlying system configuration issues or data inconsistencies.
  Check for Open Transactions: Look for any open purchase orders, production orders, or other transactions that may be preventing the unlocking of the material. Resolve or close these transactions if possible.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), and MB52 (List Warehouse Stocks on Hand).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide specific guidance or fixes for known problems.
  Documentation: Review SAP documentation or help files related to material management and unlocking processes for additional context and procedures.
  
  If the problem continues after trying the above solutions, it may be beneficial to escalate the issue to your SAP support team for further investigation.