How To Fix /SAPAPO/OM_ERROR2355 - No slot found although slot must be provided

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 355

• Message text: No slot found although slot must be provided

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2355 - No slot found although slot must be provided ?

  The SAP error message /SAPAPO/OM_ERROR2355 indicates that a slot is required for a certain operation in the Advanced Planning and Optimization (APO) module, but the system could not find a suitable slot. This error typically occurs in the context of production planning, scheduling, or transportation planning where slots (time slots for production or transportation) are essential for the planning process.
  Causes:
  
  Missing Slot Definition: The system may not have any slots defined for the relevant planning object (e.g., production orders, transportation orders).
  Slot Availability: The slots that are defined may not be available for the requested time period due to capacity constraints or scheduling conflicts.
  Incorrect Planning Parameters: The planning parameters or settings may not be configured correctly, leading to the system not being able to find a suitable slot.
  Master Data Issues: There may be issues with the master data, such as incorrect or incomplete data for resources, locations, or products that affect slot availability.
  Planning Version: The planning version being used may not have the necessary slots defined.
  
  Solutions:
  
  Check Slot Definitions: Verify that the slots are defined correctly in the system. You can do this by navigating to the relevant configuration settings in the APO module.
  Review Availability: Check the availability of slots for the required time period. This can be done through the planning board or relevant transaction codes.
  Adjust Planning Parameters: Review and adjust the planning parameters to ensure they align with the requirements of the operation you are trying to perform.
  Master Data Review: Ensure that all relevant master data (resources, locations, products) is complete and accurate. This includes checking for any missing or incorrect entries.
  Use a Different Planning Version: If applicable, try using a different planning version that may have the necessary slots defined.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the configuration and use of slots in your APO environment.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO, such as /SAPAPO/SDP94 (for planning board) or /SAPAPO/OM (for order management).
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that address known issues.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.