new error for invalid org data

api/docs.md

@@ -330,7 +330,7 @@ This method invalidates any previous JWT token for the user, so it returns a new
   "subdomain": "mysubdomain",
   "country": "Germany",
   "timezone": "GMT+2",
-  "Language": "EN"
+  "language": "EN"
 }
 ```
 If the user want to create a sub org, the address of the root organization must be provided inside an organization object in `parent` param. The creator must be admin of the parent organization to be able to create suborganizations. Example:
@@ -349,6 +349,7 @@ If the user want to create a sub org, the address of the root organization must
 | `401` | `40001` | `user not authorized` |
 | `400` | `40004` | `malformed JSON body` |
 | `400` | `40009` | `organization not found` |
+| `400` | `40013` | `invalid organization data` |
 | `500` | `50002` | `internal server error` |
 
 ### ⚙️ Update organization

api/errors_definition.go

@@ -38,6 +38,7 @@ var (
 	ErrMalformedURLParam       = Error{Code: 40010, HTTPstatus: http.StatusBadRequest, Err: fmt.Errorf("malformed URL parameter")}
 	ErrNoOrganizationProvided  = Error{Code: 40011, HTTPstatus: http.StatusBadRequest, Err: fmt.Errorf("no organization provided")}
 	ErrNoOrganizations         = Error{Code: 40012, HTTPstatus: http.StatusNotFound, Err: fmt.Errorf("this user has not been assigned to any organization")}
+	ErrInvalidOrganizationData = Error{Code: 40013, HTTPstatus: http.StatusBadRequest, Err: fmt.Errorf("invalid organization data")}
 
 	ErrMarshalingServerJSONFailed  = Error{Code: 50001, HTTPstatus: http.StatusInternalServerError, Err: fmt.Errorf("marshaling (server-side) JSON failed")}
 	ErrGenericInternalServerError  = Error{Code: 50002, HTTPstatus: http.StatusInternalServerError, Err: fmt.Errorf("internal server error")}

api/organizations.go

@@ -83,7 +83,7 @@ func (a *API) createOrganizationHandler(w http.ResponseWriter, r *http.Request)
 		Parent:          parentOrg,
 	}); err != nil {
 		if err == db.ErrAlreadyExists {
-			ErrMalformedBody.WithErr(err).Write(w)
+			ErrInvalidOrganizationData.WithErr(err).Write(w)
 			return
 		}
 		ErrGenericInternalServerError.Write(w)