Message type: E = Error
Message class:  64 - Treasury Management: Securities 
Message number: 000
Message text: The securities module is not installed
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 "64000: The securities module is not installed" typically indicates that the system is trying to access functionality related to the securities module, but this module is not available or not properly configured in your SAP environment. This can occur in various contexts, such as when trying to execute transactions related to financial securities, investments, or asset management. Causes: Module Not Installed: The securities module (often referred to as the SAP Financial Services or SAP Banking module) is not installed in your SAP system.
Configuration Issues: The module may be installed, but it is not properly configured or activated. Authorization Issues: The user may not have the necessary authorizations to access the securities module. System Version: The version of SAP you are using may not support the securities module, or it may require additional components to be installed. Solutions: Check Installation: Verify if the securities module is installed in your SAP system. You can do
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
63999 & & & &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
63905 Error in profit center &1 for object &2
What causes this issue?  The profit center check for real estate objects is active. Errors were found when the system checked profit center &v1&am...
64001 DEAR DEVELOPER, please output a correct report
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
64002 DEAR DEVELOPER, this OTHERS situation should not occur
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.