what is the cause of "Unexpected character encountered while parsing value: <. Path '', line 0, position 0." error when using the C# SDK.
the full log message is: -
2025-09-18 09:58:54 *** Exception in 'ProcessShares(Entity, EntityName, EntityId, Counter, ssWorkspace)'
2025-09-18 09:58:54 1 'ShareResources.ListShares()'
2025-09-18 09:58:54 2 Report: PI_CPT0032_DISTRICT SIX - ULN BOQ
2025-09-18 09:58:54 3 EntityId: 3779582830268292
2025-09-18 09:58:54 4 Counter : 3614
2025-09-18 09:58:54 5 -2146233088
2025-09-18 09:58:54 6 Unexpected character encountered while parsing value: <. Path '', line 0, position 0.