How To Fix PAMS159 - Unit &1 is not equal to unit &3 determined for activity type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: PAMS - Messages for Graphical Planning Board

• Message number: 159

• Message text: Unit &1 is not equal to unit &3 determined for activity type &2

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message PAMS159 - Unit &1 is not equal to unit &3 determined for activity type &2 ?

  The SAP error message PAMS159 indicates a mismatch between the units of measure for an activity type and the unit of measure that is expected or determined for that activity type. This error typically arises in the context of project management or production planning when there is an inconsistency in the units being used for cost planning, activity allocation, or resource management.
  Cause:
  
  Unit of Measure Mismatch: The unit of measure (UoM) defined for the activity type does not match the unit of measure that is being used in the transaction or planning scenario.
  Configuration Issues: There may be configuration issues in the activity type settings or in the master data for the resources or activities involved.
  Data Entry Errors: Incorrect data entry when assigning units of measure to activities or resources can lead to this error.
  Inconsistent Master Data: The master data for the activity type, cost center, or other related entities may not be consistent, leading to discrepancies in expected units.
  
  Solution:
  
  
  Check Activity Type Configuration:
  
  Go to the configuration settings for the activity type in SAP (Transaction code: OAYD or OAYE).
  Verify that the unit of measure assigned to the activity type is correct and consistent with the expected units.
  
  
  
  Review Master Data:
  
  Check the master data for the resources and cost centers involved. Ensure that the units of measure are consistent across all relevant data.
  Use transaction codes like OX19 (for cost centers) or OX10 (for activity types) to review and adjust the settings.
  
  
  
  Correct Data Entry:
  
  If the error is due to incorrect data entry, correct the entries in the relevant transactions or master data records.
  Ensure that the units of measure used in planning or execution match the defined units for the activity type.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific guidance on the activity type and unit of measure settings.
  
  
  
  Testing:
  
  After making changes, perform a test transaction to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OAYD (Activity Type) and OX19 (Cost Center) for configuration checks.
  Unit of Measure Settings: Understand how units of measure are defined and used in SAP, including conversion factors if applicable.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to configuration settings or master data.
  
  By following these steps, you should be able to identify the cause of the PAMS159 error and implement the necessary corrections to resolve it.