Adding a new user crashes on subsequent query with

APPLICATION ERROR 0000401
Database query failed. Error received from database was #0: [Microsoft][ODBC SQL Server Driver]Invalid parameter number for the query: SELECT DISTINCT p.id, p.name
FROM mantis_project_table p
LEFT JOIN mantis_project_user_list_table u
ON p.id=u.project_id AND u.user_id=?
WHERE p.enabled = ? AND
u.user_id IS NULL
ORDER BY p.name.

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