Hi Stragus,
thank you so much for your fast reply!
Here some text from the log file:
========== Log Start ~ 2015-03-26 18:05:12 ==========
[...]
18:05:14 INFO: Software version : 1.5.0 - Mar 23 2015 16:50:02.
18:05:14 INFO: Tracked inventory : 237580 items in 4240 lots.
18:05:14 INFO: Inventory sale price : [...]
18:05:14 INFO: BrickSync registration status : Unregistered.
18:05:14 INFO: Autocheck mode is currently : Enabled.
18:05:14 INFO: BrickLink polling interval : 10 minutes.
18:05:14 INFO: BrickOwl polling interval : 10 minutes.
18:05:14 INFO: Time of last BrickLink order check : 2015-03-26 11:01:29 (7 hours, 3 minutes, 44 seconds ago).
18:05:14 INFO: Time of last BrickOwl order check : 2015-03-26 10:56:28 (7 hours, 8 minutes, 45 seconds ago).
18:05:14 INFO: Time of last BrickLink deep sync : 2015-03-26 11:02:35 (7 hours, 2 minutes, 38 seconds ago).
18:05:14 INFO: Time of last BrickOwl deep sync : 2015-03-26 09:10:20 (8 hours, 54 minutes, 53 seconds ago).
18:05:14 INFO: BrickLink has pending updates : False.
18:05:14 INFO: BrickOwl has pending updates : False.
18:05:14 INFO: BrickLink in sync : False.
18:05:14 INFO: BrickOwl in sync : False.
18:05:14 INFO: BrickLink API usage : 152 (3.04%) in the past 24 hours; 0 in the past hour.
18:05:14 INFO: BrickOwl API usage : 12318 in the past 24 hours; 0 in the past hour.
18:05:14 INFO: Fetching the latest BrickSync broadcast message...
18:05:15 LOG: New BrickSync message received, UID 1427142082, priority 1
18:05:15 INFO: We are running the latest version of BrickSync : 1.5.0
18:05:15 INFO: There's a new BrickSync broadcast message with priority LOW.
18:05:15 INFO: Type "message" to read the message.
18:05:15 DEBUG: Entering bsQueryBrickOwlLookupBoids()
18:05:15 DEBUG: Exiting bsQueryBrickOwlLookupBoids()
18:05:15 DEBUG: Watchdog thread is active.
18:05:15 INFO: BrickSync state saved. All systems are operational, Captain!
18:05:15 INFO: Type "help" for the list of commands.
18:05:15 INFO: Fetching the BrickLink Order List...
18:05:17 BL JSON PARSER: Server replied with error code 401.
18:05:17 BL JSON PARSER: Server error message : "BAD_OAUTH_REQUEST".
18:05:17 BL JSON PARSER: Server error description : "TOKEN_IP_MISMATCHED: consumer: AFECC9B8A91B428A8BC889A3D4C7A3BC IP: 79.237.137.181".
18:05:17 JSON Parse Errors Encountered
18:05:17 WARNING: BrickLink JSON Parse Error - Saving server reply (161+150 bytes) at path "dataerrors-2015-03-2600362.txt".
18:05:17 WARNING: Bad reply from server, trying again shortly...
18:05:17 BL JSON PARSER: Server replied with error code 401.
18:05:17 BL JSON PARSER: Server error message : "BAD_OAUTH_REQUEST".
18:05:17 BL JSON PARSER: Server error description : "TOKEN_IP_MISMATCHED: consumer: AFECC9B8A91B428A8BC889A3D4C7A3BC IP: 79.237.137.181".
18:05:17 JSON Parse Errors Encountered
18:05:17 WARNING: BrickLink JSON Parse Error - Saving server reply (161+150 bytes) at path "dataerrors-2015-03-2600363.txt".
18:05:17 WARNING: Bad reply from server, trying again shortly...
18:05:17 ERROR: Too many connection errors, giving up.
18:05:17 INFO: Fetching the BrickOwl Order List...
18:05:19 INFO: We are up-to-date on BrickOwl orders.
18:05:19 INFO: Fetching the BrickLink Order List...
18:05:19 BL JSON PARSER: Server replied with error code 401.
18:05:19 BL JSON PARSER: Server error message : "BAD_OAUTH_REQUEST".
18:05:19 BL JSON PARSER: Server error description : "TOKEN_IP_MISMATCHED: consumer: AFECC9B8A91B428A8BC889A3D4C7A3BC IP: 79.237.137.181".
18:05:19 JSON Parse Errors Encountered
18:05:19 WARNING: BrickLink JSON Parse Error - Saving server reply (161+150 bytes) at path "dataerrors-2015-03-2600364.txt".
18:05:19 WARNING: Bad reply from server, trying again shortly...
18:05:20 BL JSON PARSER: Server replied with error code 401.
18:05:20 BL JSON PARSER: Server error message : "BAD_OAUTH_REQUEST".
18:05:20 BL JSON PARSER: Server error description : "TOKEN_IP_MISMATCHED: consumer: AFECC9B8A91B428A8BC889A3D4C7A3BC IP: 79.237.137.181".
18:05:20 JSON Parse Errors Encountered
18:05:20 WARNING: BrickLink JSON Parse Error - Saving server reply (161+150 bytes) at path "dataerrors-2015-03-2600365.txt".
18:05:20 WARNING: Bad reply from server, trying again shortly...
18:05:20 ERROR: Too many connection errors, giving up.