When the BSP "Subscription to Alerts" (ALERTSUBSCRIPTION) or "Personalization" (ALERTPERSONALIZE_RULES) is called, the following error occurs:
Business Server Page (BSP) error
What happened?
Calling the BSP page was terminated due to an error.
SAP Note:
The following error text was processed in the system:
BSP exception: Application sap/alertpersonalize_rules cannot be started. Create an application node using transaction SICF.

BSPs whose name is longer than 15 characters can not be processed.

Implement Note 1038797 in your system, and run the report BSP_UNLOCK_LONG_APP mentioned in that note for the BSPs ALERTPERSONALIZE_RULES and ALERTSUBSCRIPTION.