diff --git a/src/server/BreCal/api/shipcalls.py b/src/server/BreCal/api/shipcalls.py
index 396dc93..73a06c1 100644
--- a/src/server/BreCal/api/shipcalls.py
+++ b/src/server/BreCal/api/shipcalls.py
@@ -14,7 +14,16 @@ bp = Blueprint('shipcalls', __name__)
 @auth_guard() # no restriction by role
 def GetShipcalls():
     if 'Authorization' in request.headers:
-        token = request.headers.get('Authorization')
+        token = request.headers.get('Authorization')    # see impl/login to see the token encoding, which is a JWT token. 
+
+        """
+        from BreCal.services.jwt_handler import decode_jwt
+        jwt = token.split('Bearer ')[1] # string key
+        payload = decode_jwt(jwt) # dictionary, which includes 'id' (user id) and 'participant_id'
+
+        # oneline:
+        payload = decode_jwt(request.headers.get("Authorization").split("Bearer ")[-1])
+        """
         options = {}
         options["participant_id"] = request.args.get("participant_id")
         options["past_days"] = request.args.get("past_days", default=1, type=int)
diff --git a/src/server/BreCal/database/enums.py b/src/server/BreCal/database/enums.py
index 3092fd8..fe6b37f 100644
--- a/src/server/BreCal/database/enums.py
+++ b/src/server/BreCal/database/enums.py
@@ -1,4 +1,4 @@
-from enum import Enum, IntFlag
+from enum import IntEnum, Enum, IntFlag
 
 class ParticipantType(IntFlag):
     """determines the type of a participant"""
@@ -36,3 +36,6 @@ class StatusFlags(Enum):
     YELLOW = 2
     RED = 3
 
+class PierSide(IntEnum):
+    PORTSIDE = 0 # Port/Backbord
+    STARBOARD_SIDE = 1 # Starboard / Steuerbord
diff --git a/src/server/BreCal/local_db.py b/src/server/BreCal/local_db.py
index 85dff68..4293ff3 100644
--- a/src/server/BreCal/local_db.py
+++ b/src/server/BreCal/local_db.py
@@ -16,7 +16,7 @@ def initPool(instancePath):
         print (config_path)
 
         if not os.path.exists(config_path):
-            print ('cannot find ' + config_path)
+            print ('cannot find ' + os.path.abspath(config_path))
             print("instance path", instancePath)
             sys.exit(1)
 
@@ -39,4 +39,4 @@ def getPoolConnection():
     global config_path
     f = open(config_path);
     connection_data = json.load(f)
-    return mysql.connector.connect(**connection_data)
\ No newline at end of file
+    return mysql.connector.connect(**connection_data)
diff --git a/src/server/BreCal/schemas/model.py b/src/server/BreCal/schemas/model.py
index bf157aa..f45bc11 100644
--- a/src/server/BreCal/schemas/model.py
+++ b/src/server/BreCal/schemas/model.py
@@ -230,7 +230,7 @@ class Shipcall:
     tug_required: bool
     pilot_required: bool
     flags: int
-    pier_side: bool
+    pier_side: bool # enumerator object in database/enum/PierSide
     bunkering: bool
     replenishing_terminal: bool
     replenishing_lock: bool