Error during execution of HTTP request

Execution started at 16:11:36

Request:

Input:
Component: uniface
Operation: app:
Session: 3C209BBA8A235045E605BED083276554
Authorization:
SessionCookie: true
ServerVariables:
  SERVER_PORT_SECURE=1
  CONTENT_LENGTH=-1
  REQUEST_METHOD=GET
  PATH_TRANSLATED=
  SERVER_PROTOCOL=HTTP/1.1
  SERVER_PORT=443
  PATH_INFO=/uniface-app:/cordova.js
  QUERY_STRING=
  REMOTE_HOST=216.73.216.178
  REMOTE_ADDR=216.73.216.178
  CONTENT_TYPE=
  REQUEST_URI=/synopticweb/prod/uniface-app:/cordova.js
  SERVLET_PATH=/prod
  REMOTE_USER=
  AUTH_TYPE=
  SERVER_NAME=qualite.flanquart.fr
Cookies:

HTTPRequestHeaders:
  accept=*/*
  user-agent=Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
  accept-encoding=gzip, br, zstd, deflate
  host=qualite.flanquart.fr

Result:

Status: -50
ProcerrorContext:
  ERROR=-50
  MNEM=<UACTERR_NO_SIGNATURE>
  DESCRIPTION=Signature not found
  COMPONENT=USYSHTTP
  PROCNAME=WRDEXEC
  TRIGGER=OPER
  LINE=89
  ADDITIONAL=COMPONENTNAME=UNIFACE·;INSTANCENAME=uniface

Execution ended at 16:11:36