2022-07-06T07:52:51 5159.066 INF PlayerLogin: **censored**/Alpha 20.5
2022-07-06T07:52:51 5159.066 INF Client IP: xxx.xxx.xxx.xxx
2022-07-06T07:52:51 5159.066 INF [Auth] PlayerName authorization successful: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:51 5159.066 INF [Auth] ServerState authorization successful: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:51 5159.066 INF [Auth] MpAllowed authorization successful: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:51 5159.066 INF [Auth] PlayerId authorization successful: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:51 5159.066 INF [Auth] DuplicateUserId authorization successful: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:51 5159.066 INF [Auth] VersionCheck authorization successful: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:51 5159.066 INF [Auth] PlayerSlots authorization successful: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:51 5159.066 INF [Auth] LegacyModAuthorizations authorization successful: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:51 5159.067 INF [Auth] PlatformAuth authorization successful: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:51 5159.067 INF [EOS] Verifying token for 00027fdf2faa40969a24cb2ddd9c344a
2022-07-06T07:52:51 5159.067 INF [EOS] Device=WindowsOneCore, Platform=other, AccType=Xbl, AccId=F10309E1CF3777A38619D2CE721C3BD3EDB53920, PUID=00027fdf2faa40969a24cb2ddd9c344a
2022-07-06T07:52:51 5159.067 INF [Auth] CrossplatformAuth authorization successful: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:51 5159.067 INF [Auth] BansAndWhitelist authorization successful: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:51 5159.068 INF [EOS-ACS] Registering user: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:54 5161.140 INF [Auth] EAC authorization successful: EntityID=-1, PltfmId='XBL_**censored**', CrossId='EOS_**censored**', OwnerID='<unknown/none>', PlayerName='**censored**'
2022-07-06T07:52:54 5161.146 INF Allowing player with id EOS_**censored**
2022-07-06T07:52:54 5161.369 ERR [EOS-ACS] Failed decrypting stream from EOS_**censored**: AntiCheatProtectMessageSessionKeyRequired
2022-07-06T07:52:54 5161.370 ERR NCSimple_Deserializer (cl=EOS_**censored**, ch=0):
2022-07-06T07:52:54 5161.371 EXC Attempted to read past the end of the stream.
at PooledBinaryReader.FillBuffer (System.Int32 _numBytes) [0x00030] in <4da54c03fd4c484bb064ddea3d125f0a>:0
at PooledBinaryReader.ReadString () [0x00049] in <4da54c03fd4c484bb064ddea3d125f0a>:0
at NetPackageAddRemoveBuff.read (PooledBinaryReader _reader) [0x0000c] in <4da54c03fd4c484bb064ddea3d125f0a>:0
at NetPackageManager.ParsePackage (PooledBinaryReader _reader, ClientInfo _sender) [0x00017] in <4da54c03fd4c484bb064ddea3d125f0a>:0
at NetConnectionSimple.taskDeserialize (ThreadManager+ThreadInfo _threadInfo) [0x001d4] in <4da54c03fd4c484bb064ddea3d125f0a>:0
UnityEngine.StackTraceUtility:ExtractStringFromException(Object)
All XBL players get the same issue on my dedicated server since (today?). Didn't change anything.
Above you can see what the console logs when a XBL player connects.