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

LR320 - Overview

• 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.

LR320 - Details

• 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