Can not handle GetPrint

[timecarlesk]

It is unable to process the 'getprint' request, but it can handle the 'getmap' request. When I send a 'getprint' request, the following error appears:
2023-08-03 17:32:57 Application path not initialized
2023-08-03 17:32:57 Application path not initialized
2023-08-03 17:32:57 Application path not initialized
2023-08-03 17:32:57 QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-www-data'
2023-08-03 17:32:57 "Loading native module /usr/local/lib/qgis/server/libdummy.so"
2023-08-03 17:32:57 "Loading native module /usr/local/lib/qgis/server/liblandingpage.so"
2023-08-03 17:32:57 "Loading native module /usr/local/lib/qgis/server/libwcs.so"
2023-08-03 17:32:57 "Loading native module /usr/local/lib/qgis/server/libwfs.so"
2023-08-03 17:32:57 "Loading native module /usr/local/lib/qgis/server/libwfs3.so"
2023-08-03 17:32:57 "Loading native module /usr/local/lib/qgis/server/libwms.so"
2023-08-03 17:32:57 "Loading native module /usr/local/lib/qgis/server/libwmts.so"
2023-08-03 17:33:01 4667790 - 172.17.0.1 - - [03/Aug/2023:09:32:57 +0000] "GET /?MAP=/etc/qgisserver/v2.qgz&SERVICE=WMS&REQUEST=GetCapabilities HTTP/1.1" 200 2515 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36"
2023-08-03 17:33:02 2147 - 172.17.0.1 - - [03/Aug/2023:09:33:02 +0000] "GET /favicon.ico HTTP/1.1" 500 413 "http://localhost:8380/?MAP=/etc/qgisserver/v2.qgz&SERVICE=WMS&REQUEST=GetCapabilities" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36"
2023-08-03 17:33:06 QNetworkDiskCache::prepare() unable to open temporary file
2023-08-03 17:33:06 QNetworkDiskCache::prepare() unable to open temporary file

My qgz file is located in /etc/qgisserver and all permissions are set to -rwxrwxrwx."