How To Fix MW345 - No items maintained. Alloc tbl will not be saved

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 345

• Message text: No items maintained. Alloc tbl will not be saved

What causes this issue?

This message can be issued due to the following:

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

You want to create an allocation table but did not enter any items.
You selected "Change allocation table" and deleted all items in an
existing allocation table.

System Response

The system only saves an allocation table if it contains at least one
item.
If you deleted all items in an allocation table, the system deletes the
allocation table completely.

How to fix this error?

Maintain at least one item for the allocation table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW345 - No items maintained. Alloc tbl will not be saved ?

  The SAP error message MW345 "No items maintained. Alloc tbl will not be saved" typically occurs in the context of allocation tables or when trying to save a document that requires item entries but none have been maintained. This error can arise in various scenarios, such as during the creation or modification of allocation tables, or when processing certain transactions that require item details.
  Cause:
  
  No Items Entered: The most common cause is that the allocation table or document does not have any items entered. This could be due to user oversight or a failure in the data entry process.
  Incorrect Configuration: There may be issues with the configuration of the allocation table or the related master data.
  Data Integrity Issues: If there are issues with the underlying data (e.g., missing or incorrect master data), it can lead to this error.
  Authorization Issues: Sometimes, users may not have the necessary authorizations to maintain items in the allocation table.
  
  Solution:
  
  Check Item Entries: Ensure that you have entered the necessary items in the allocation table. Go back to the screen where you are maintaining the allocation table and verify that all required fields are filled out correctly.
  Review Configuration: If you suspect a configuration issue, review the settings related to the allocation table in the SAP configuration (SPRO). Ensure that all necessary parameters are set correctly.
  Validate Master Data: Check the master data related to the items you are trying to allocate. Ensure that all required data is present and correct.
  User Authorizations: Verify that you have the necessary authorizations to maintain the allocation table. If not, contact your SAP security administrator to request the appropriate access.
  Consult Documentation: Refer to SAP documentation or help files for specific guidance related to the allocation table you are working with.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like OMI4 (for allocation tables) or others related to inventory management or logistics.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, specific versions of SAP may have bugs that are documented in SAP Notes.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the MW345 error and implement a solution to resolve it.