Message type: E = Error
Message class:  CRM_PS_4S_BRFP - Message Class for Social Services BRF+ integration 
Message number: 322
Message text: Return type for language must be of type text with length 2
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 CRM_PS_4S_BRFP322 indicates that there is an issue with the return type for a language parameter in a function module or method. Specifically, it states that the return type for the language must be of type text with a length of 2 characters. This typically relates to the language codes used in SAP, which are usually represented by two-letter ISO codes (e.g., "EN" for English, "DE" for German).
Cause: Incorrect Language Code: The language code being passed to the function or method is not in the correct format (not a 2-character string). Data Type Mismatch: The variable or field that is supposed to hold the language code is not defined correctly in terms of data type or length.
Configuration Issues: There may be configuration settings in the system that are not aligned with the expected language codes.
Solution: Check the Language Code: Ensure that the language code being passed is a valid two-character
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CRM_PS_4S_BRFP321 Return type for activity template must be of type text with length 32
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CRM_PS_4S_BRFP320 Elements of table for case GUID must be of type text with length 32
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CRM_PS_4S_BRFP323 Return type for transaction history must be of type text with length 32
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CRM_PS_4S_BRFP324 Invalid return value for date
What causes this issue?  The return value you used is not correct.System Response  The system issues an error message and will not allow you to contin...
Click on this link to search all SAP messages.