Server update problems ArgumentOutOfRangeException

[tkutt]

Hello after the server updated I have been getting this error .., 

(19:57:04) | Monument Navmesh Build took 4.44 seconds
(19:57:04) | ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

I've reinstalled the update a few times and it has not helping

Help Please

[elix]

Is this server vanilla or modified?

[tkutt]

it is a modded server. The error is happening before any plugins are loaded the only thing loading are >

(20:10:12) | [53.2s] Spawning World
(20:10:12) | [0.3s] Terrain Mesh
(20:10:12) | [0.4s] Processing World
(20:10:24) | Generated ocean patrol path with node count: 462
(20:10:24) | [11.1s] Ocean Patrol Paths
(20:10:24) | Starting Navmesh Source Collecting.
(20:10:31) | Calling CollectSourcesAsync took 7.176208
(20:10:31) | Starting Navmesh Build with 71769 sources
(20:10:31) | 3%
>
(20:10:47) | 100%
(20:10:48) | Navmesh Build took 17.06 seconds
(20:10:48) | Starting Navmesh Source Collecting.
(20:10:48) | Starting Monument Navmesh Build with 1926 sources
(20:10:49) | 11%
>
(20:10:53) | 100%
(20:10:53) | Monument Navmesh Build took 5.03 seconds
(20:10:53) | Starting Navmesh Source Collecting.
(20:10:53) | Starting Monument Navmesh Build with 1236 sources
(20:10:53) | 4%
>
(20:10:58) | 100%
(20:10:58) | Monument Navmesh Build took 5.43 seconds
(20:10:58) | Starting Navmesh Source Collecting.
(20:10:58) | Starting Monument Navmesh Build with 2114 sources
(20:10:59) | 10%
>
(20:11:03) | 100%
(20:11:03) | Monument Navmesh Build took 4.38 seconds
(20:11:03) | ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

Thanks

Tim

[tkutt]

Solved .. totally my fault .. sloppy batch file.

Thank you !