Search notes:

ORA-17041: Missing IN or OUT parameter at index: …

On 19c, The following statement throws ORA-17041: Missing IN or OUT parameter at index: 1. In 23ai, the ORA-17041 part of the message is not thrown anymore. 
select
   *
from
   dual match_recognize (
      pattern (a b?)
   );

See also

Other Oracle error messages

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/developm...', 1758207713, '216.73.216.150', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/development/databases/Oracle/errors/ORA-17041_Missing-IN-or-OUT-parameter-at-index(42): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78