How To Fix LR320 - Do not enter a purchase order number/item or an activity number

SAP Error Message - Details

• Message type: E = Error

• Message class: LR - CATS: Cross-Application Time Sheet

• Message number: 320

• Message text: Do not enter a purchase order number/item or an activity number

What causes this issue?

You have entered purchasing document, purchasing document item and/or
an activity number.

How to fix this error?

You cannot enter this record with the current data entry profile.

Procedure for System Administrators

External services can only be recorded in data entry profiles with the
cost accounting variant <LS>Cost assignment to the master cost center
</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LR320 - Do not enter a purchase order number/item or an activity number ?

  The SAP error message LR320 ("Do not enter a purchase order number/item or an activity number") typically occurs in the context of certain transactions where the system expects specific input but finds conflicting or inappropriate data. This error is often encountered in modules related to logistics, purchasing, or project management.
  Cause:
  The error message LR320 is triggered when:
  
  Inappropriate Input: The user has entered a purchase order number, item, or activity number in a field where it is not allowed. This can happen in transactions that are designed to work with different types of data.
  Transaction Context: The transaction you are trying to execute may not support the use of purchase orders or activity numbers, leading to this error.
  Configuration Issues: There may be configuration settings in the SAP system that restrict the use of certain fields based on the transaction type.
  
  Solution:
  To resolve the LR320 error, you can take the following steps:
  
  
  Check Input Fields: Review the fields you are filling out in the transaction. Ensure that you are not entering a purchase order number, item, or activity number in fields that do not accept them.
  
  
  Use Correct Transaction: Make sure you are using the correct transaction for the task you are trying to perform. If you are trying to create or process a purchase order, ensure you are in the appropriate transaction code (e.g., ME21N for creating a purchase order).
  
  
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction you are using. This can provide insights into what inputs are expected.
  
  
  Check Configuration: If you have access, check the configuration settings in the SAP system to see if there are any restrictions or settings that might be causing this error. This may require assistance from an SAP administrator or consultant.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes in SAP that pertain to your work area (e.g., purchasing, inventory management).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Ensure that users are trained on the correct procedures and data entry requirements for the transactions they are performing to minimize errors.
  
  By following these steps, you should be able to identify the cause of the LR320 error and take appropriate action to resolve it.