diff --git a/parsers/logbooks.py b/parsers/logbooks.py
index 9007d4f..6b6c121 100644
--- a/parsers/logbooks.py
+++ b/parsers/logbooks.py
@@ -1,10 +1,12 @@
 import csv
-from  datetime import datetime, date, time
 import os
 import re
-#import time
 import pickle
 import shelve
+import time
+from random import randint
+from datetime import datetime, date
+from pathlib import Path
 
 from django.conf import settings
 from django.template.defaultfilters import slugify
@@ -24,6 +26,9 @@ Parses and imports logbooks in all their wonderful confusion
 todo='''
 - Put the object store 'trips' and the 'logdataissues' into TROG global object
 
+- works parsing logbooks but when reading cache files fails on storing data
+  and is slower than parsing from scratch now!
+
 - refactor everything with some urgency, esp. LoadLogbookForExpedition()
 
 - Logbooks log.htm exist for 1983, 84, 85, 87, 88, 89 but have no full-working parser, 
@@ -141,7 +146,11 @@ def EnterLogIntoDbase(date, place, title, text, trippeople, expedition, logtime_
     # but it is a db query which we should try to avoid - rewrite this
     
     #NEW slug for a logbook entry here! Unique id + slugified title fragment
-    slug = tid + "_" + slugify(title)[:10].replace('-','_')
+    # working for all cache files 2019-2005, failed on 2004; but fine when parsing logbook and not reading cache. Hmm.
+    if tid is not None:
+        slug = tid + "_" + slugify(title)[:10].replace('-','_')
+    else: 
+        slug = str(randint(1000,10000)) + "_" + slugify(title)[:10].replace('-','_')
     nonLookupAttribs={'place':place, 'text':text, 'expedition':expedition, 'cave_slug':str(cave), 'slug': slug, 'entry_type':entry_type}
     
     lbo, created=save_carefully(LogbookEntry, lookupAttribs, nonLookupAttribs)
@@ -565,12 +574,14 @@ def LoadLogbookForExpedition(expedition, expect):
         logbookfile = os.path.join(expologbase, expedition.year, settings.DEFAULT_LOGBOOK_FILE)
         expedition.logbookfile = settings.DEFAULT_LOGBOOK_FILE
         parsefunc   = settings.DEFAULT_LOGBOOK_PARSER
-    cache_filename = logbookfile + ".cache"
-    expedition.save()
+    cache_filename = Path(logbookfile + ".cache")
+    if not cache_filename.is_file():
+        print("   - Cache file does not exist \"" + str(cache_filename) +"\"")
 
+    expedition.save()
+    now = time.time()
+    bad_cache = True # emporarily disable reading the cache - buggy
     try:
-        bad_cache = False
-        now = time.time()
         cache_t = os.path.getmtime(cache_filename)
         if os.path.getmtime(logbookfile) - cache_t > 2: # at least 2 secs later
             bad_cache= True
@@ -582,7 +593,7 @@ def LoadLogbookForExpedition(expedition, expect):
             logentries=[]
             print("   ! Removed stale or corrupt cache file")
             raise
-        print("   - Reading cache: " + cache_filename, end='')
+        print("   - Reading cache: " + str(cache_filename), end='')
         try:
             with open(cache_filename, "rb") as f:
                 year,n,logentries = pickle.load(f) 
@@ -597,8 +608,8 @@ def LoadLogbookForExpedition(expedition, expect):
             os.remove(cache_filename)
             logentries=[]
             raise
-    except : # no cache found
-        #print("   - No cache \"" + cache_filename +"\"")
+    except : 
+        print("   - Cache de-pickle failure \"" + str(cache_filename) +"\"")
         try:
             file_in = open(logbookfile,'rb')
             txt = file_in.read().decode("latin1")
@@ -627,10 +638,11 @@ def LoadLogbookForExpedition(expedition, expect):
         i=0
         for entrytuple in range(len(logentries)):
             date, tripcave, triptitle, text, trippeople, expedition, logtime_underground, entry_type, tripid1 = logentries[i]
+            #print("   - entry tuple " , i, " tid", tripid1)
             EnterLogIntoDbase(date, tripcave, triptitle, text, trippeople, expedition, 0,
-                    entry_type)
+                    entry_type, tripid1)
             EnterLogIntoObjStore(expedition.year, date, tripcave, triptitle, text, trippeople, logtime_underground, 
-                    entry_type, tripid1, i)
+                   entry_type, tripid1, i)
             i +=1
         SetDatesFromLogbookEntries(expedition)
     return len(logentries)
diff --git a/pre-run.sh b/pre-run.sh
index 4153294..876a374 100755
--- a/pre-run.sh
+++ b/pre-run.sh
@@ -24,4 +24,4 @@ echo ""
 echo `tail -1 lines-of-python.txt`   non-comment lines of python.
 echo `tail -1 lines-of-templates.txt`   non-comment lines of HTML templates.
 
-echo 'If you have an error running manage.py, maybe you are not in an activated venv ?
\ No newline at end of file
+echo 'If you have an error running manage.py, maybe you are not in an activated venv ?'
\ No newline at end of file