diff --git a/server/routers.ts b/server/routers.ts
index 3f57ab1..7460ce8 100644
--- a/server/routers.ts
+++ b/server/routers.ts
@@ -554,9 +554,11 @@ export const appRouter = router({
           const filename = path.basename(invoice.fileKey);
           const bapFilename = `BAP_${Date.now()}_${filename}`;
 
+          console.log(`[BAP] Mode export: ${bapExportMode}, type: ${exportFolderType}, dossier: ${exportFolder ? 'configuré' : 'non configuré'}`);
           if ((bapExportMode === 'folder' || bapExportMode === 'both') && exportFolder) {
             if (exportFolderType === 'sharepoint') {
               // Mode SharePoint : upload via Microsoft Graph
+              console.log('[BAP] Démarrage upload SharePoint pour:', bapFilename);
               const { uploadToSharePoint } = await import('./sharepoint');
               const spResult = await uploadToSharePoint(
                 {
@@ -572,8 +574,9 @@ export const appRouter = router({
                 exportPath = spResult.webUrl || exportFolder;
                 sharepointUploadStatus = 'success';
                 sharepointUploadPath = spResult.webUrl || exportFolder;
+                console.log('[BAP] Upload SharePoint réussi:', spResult.webUrl);
               } else {
-                console.warn('[BAP] Erreur upload SharePoint:', spResult.error);
+                console.error('[BAP] Erreur upload SharePoint:', spResult.error, '| Debug:', spResult.debugInfo);
                 sharepointUploadStatus = 'error';
                 sharepointUploadError = spResult.error || 'Erreur inconnue';
                 // Fallback : stocker localement