corr add group

app/api/groups/route.ts

@@ -207,11 +207,25 @@ export async function POST(req: Request) {
       // Try to get error details from Keycloak
       let errorMessage = 'Échec de la création du groupe';
       try {
-        const errorData = await response.json();
+        // Read response as text first (can only read body once)
+        const text = await response.text();
+        
+        if (text.trim()) {
+          // Try to parse as JSON
+          try {
+            const errorData = JSON.parse(text);
             // Keycloak error format: { errorMessage: "..." } or { error: "..." }
             errorMessage = errorData.errorMessage || errorData.error || errorData.message || errorMessage;
           } catch {
-        // If response is not JSON, use status text
+            // If not JSON, use the text as error message
+            errorMessage = text;
+          }
+        } else {
+          // Empty response, use status text
+          errorMessage = response.statusText || errorMessage;
+        }
+      } catch (readError) {
+        // If reading response fails, use status text
         errorMessage = response.statusText || errorMessage;
       }
       

app/missions/equipe/page.tsx

@@ -495,10 +495,24 @@ export default function EquipePage() {
         // Try to parse error message from response
         let errorMessage = "Échec de la création du groupe";
         try {
-          const errorData = await response.json();
+          // Read response as text first (can only read body once)
+          const text = await response.text();
+          
+          if (text.trim()) {
+            // Try to parse as JSON
+            try {
+              const errorData = JSON.parse(text);
               errorMessage = errorData.message || errorData.error || errorMessage;
             } catch {
-          // If response is not JSON, use status text
+              // If not JSON, use the text as error message
+              errorMessage = text;
+            }
+          } else {
+            // Empty response, use status text
+            errorMessage = response.statusText || errorMessage;
+          }
+        } catch (readError) {
+          // If reading response fails, use status text
           errorMessage = response.statusText || errorMessage;
         }
         throw new Error(errorMessage);