diff --git a/rero_ils/modules/items/api_views.py b/rero_ils/modules/items/api_views.py
index 43966370ef..dca07b43c6 100644
--- a/rero_ils/modules/items/api_views.py
+++ b/rero_ils/modules/items/api_views.py
@@ -21,7 +21,7 @@
 
 from functools import wraps
 
-from flask import Blueprint, abort, jsonify
+from flask import Blueprint, abort, current_app, jsonify
 from flask import request as flask_request
 from flask_login import current_user
 from invenio_circulation.api import get_loan_for_item
@@ -65,6 +65,7 @@ def decorated_view(*args, **kwargs):
             raise(e)
         except Exception as e:
             # raise(e)
+            current_app.logger.error(str(e))
             return jsonify({'status': 'error: {error}'.format(error=e)}), 500
     return decorated_view
 
@@ -100,6 +101,7 @@ def decorated_view(*args, **kwargs):
             raise(e)
         except Exception as e:
             # raise(e)
+            current_app.logger.error(str(e))
             return jsonify({'status': 'error: {error}'.format(error=e)}), 500
     return decorated_view
 
diff --git a/ui/src/app/circulation/main-checkin-checkout/main-checkin-checkout.component.ts b/ui/src/app/circulation/main-checkin-checkout/main-checkin-checkout.component.ts
index 99b18556df..8d73e7ed87 100644
--- a/ui/src/app/circulation/main-checkin-checkout/main-checkin-checkout.component.ts
+++ b/ui/src/app/circulation/main-checkin-checkout/main-checkin-checkout.component.ts
@@ -294,10 +294,16 @@ export class MainCheckinCheckoutComponent implements OnInit, NoPendingChange {
           return item;
         }).filter(item => item.status === ItemStatus.ON_LOAN);
       },
-      (err) => this.toastService.error(
-        _('an error occurs on the server: ') + err,
-        _('checkin')
-      )
+      (err) => {
+        let errorMessage = '';
+        if (err && err.error && err.error.status) {
+            errorMessage = err.error.status;
+        }
+        this.toastService.error(
+            _('an error occurs on the server: ') + errorMessage,
+            _('checkin')
+         );
+      }
     );
   }