feat: Adding error message

report/openapi.yaml

@@ -26,13 +26,12 @@ servers:
         default: "8085"
 tags:
   - name: Report
-    description: Microservice for report.
+    description: Microservice for report pdf report.
 paths:
   /api/reports/flight/{id}:
     get:
       tags:
         - Report
-        - Flight
       summary: Get the report of flight.
       description: |
         Return the report of flight by its id in the PDF format
@@ -51,4 +50,10 @@ paths:
             application/pdf:
               schema:
                 type: string
-                format: binary
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+                format: binary
+        "404":
+          description: Not Found
+          content:
+            application/json:
+              schema:
+                $ref: '../core/openapi.yaml#/components/schemas/ErrorMessage'
\ No newline at end of file