Message type: E = Error
Message class:  /SAPAPO/PUIA_MESS -  
Message number: 101
Message text: The specified value &1 is invalid
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.
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.
The SAP error message /SAPAPO/PUIA_MESS101 with the description "The specified value &1 is invalid" typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a user attempts to input a value that is not recognized or is outside the acceptable range for a particular field or parameter. Causes: Invalid Input Value: The value entered in a field does not match the expected format or is not within the predefined set of valid values.
Configuration Issues: The configuration settings in the APO system may not be set up correctly, leading to the system not recognizing certain values. Master Data Issues: The master data (like materials, locations, etc.) may not be properly maintained or may be missing, causing the system to reject the input. Authorization Issues: The user may not have the necessary authorizations to access or modify certain data, leading to the error when trying to input values. Solutions: Check Input Values: Verify that the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/SAPAPO/PUIA_MESS100 Invalid data status
What causes this issue?  Invalid data status in &V1&System Response  The system issues an error message and will not allow you to continue wit...
/SAPAPO/PUIA_MESS099 Invalid data status
What causes this issue?  The period ID for column index &V1& was not found in global table 't_periodcol_mapping'.System Response  Th...
/SAPAPO/PUIA_MESS102 No data found for selection
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SAPAPO/PUIA_MESS103 An error occurred when reading data
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.