Message type: E = Error
Message class:  CRM_PS_PRODUCT - Industy Public Sector Product Enhancement 
Message number: 001
Message text: Product key contains invalid characters.
The product key contains invalid characters. Only letters or digits are
allowed.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Remove the invalid character.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CRM_PS_PRODUCT001 indicates that the product key you are trying to use contains invalid characters. This error typically occurs in the SAP Customer Relationship Management (CRM) module when the product key does not conform to the expected format or character set.
Cause: Invalid Characters: The product key may contain special characters, spaces, or symbols that are not allowed. Length Restrictions: The product key may exceed the maximum length allowed by the system. Incorrect Formatting: The product key may not follow the required format (e.g., uppercase/lowercase letters, numeric values). Data Entry Errors: Typographical errors during data entry can lead to invalid characters being included in the product key.
Solution: Check the Product Key: Review the product key for any invalid characters. Ensure that it only contains valid alphanumeric characters as specified by your organization's naming conventions. Remove Invalid Characters: If you identify any invalid characters, remove or replace them with valid ones. Verify Length: Ensure that the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CRM_PS_PRODUCT000 Product key &1 already used by the product &2
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_PREQ012 Error in Payment Request customizing
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_PRODUCT002 Changing or deleting the product key could have unexpected consequences
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_RED010 Detail Customizing does not exist for red. determination category 'BAdI'
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.