Message type: E = Error
Message class:  FICCP - Message Class for Customer Payments Cloud 
Message number: 001
Message text: & & & &
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 FICCP001 typically relates to issues in the Financial Accounting (FI) module, particularly concerning the configuration or processing of financial documents. The error message itself may not provide detailed information, but it usually indicates a problem with the configuration of the system or the data being processed.
Cause:
Configuration Issues: The error may arise from incorrect configuration settings in the financial accounting module, such as missing or incorrect account assignments, document types, or posting keys. Data Entry Errors: Incorrect or incomplete data entry in financial documents can trigger this error. This includes missing mandatory fields or invalid data formats. Authorization Problems: Users may not have the necessary authorizations to perform certain actions, leading to this error. System Bugs or Incompatibilities: Occasionally, bugs in the SAP system or incompatibilities with custom developments can lead to unexpected errors.
Solution: Check Configuration: Review the configuration settings in the Financial Accounting module. Ensure that all necessary settings are
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FICCP000 
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FICA_UMC_ODATA063 Entered reference ID does not exist
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FICCP002 Clear the open items first.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FICCP003 Custom payment method &1 for paying company code &2 does not exist.
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.