oci_init_error    556 ext/pdo_oci/oci_driver.c 			oci_init_error("OCINlsCharSetNameToId: unknown character set name");
oci_init_error    560 ext/pdo_oci/oci_driver.c 				oci_init_error("OCIEnvNlsCreate: Check the character set is valid and that PHP has access to Oracle libraries and NLS data");