SQLSTATE[HY000]: OCISessionBegin: ORA-00257: Archiver error. Connect AS SYSDBA only until resolved.
Help: https://docs.oracle.com/error-help/db/ora-00257/
 (/builddir/build/BUILD/php-7.4.33/ext/pdo_oci/oci_driver.c:787)<br />
<b>Notice</b>:  Undefined variable: conn in <b>/home/mediauser/radiouji/programa.php</b> on line <b>16</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function prepare() on null in /home/mediauser/radiouji/programa.php:16
Stack trace:
#0 {main}
  thrown in <b>/home/mediauser/radiouji/programa.php</b> on line <b>16</b><br />