SQL Server Error 50000 is a user-defined error triggered by RAISERROR or THROW statements within stored procedures, triggers, or T-SQL code. It often indicates that input data violates rules or operations are intentionally blocked. To fix it, first identify the source of the error, review the related stored procedure for RAISERROR or THROW statements and understand the error message. Validate input data types and ranges, check triggers, and verify user permissions. For corrupted databases causing this error, using professional recovery tool Aryson SQL Backup Recovery ensures safe and accurate restoration without data loss.