Flow price: --
b14d59374133547ac2411e5b2e0250bce319b010afb71bc3a04e2708ffd3576c

Transaction

Hash: b14d59374133547ac2411e5b2e0250bce319b010afb71bc3a04e2708ffd3576c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b14d59374133547ac2411e5b2e0250bce319b010afb71bc3a04e2708ffd3576c:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b14d59374133547ac2411e5b2e0250bce319b010afb71bc3a04e2708ffd3576c
Status:
ERROR
Block height:
39810843
Block id:
06f4fe2471523055ce05d3dabb6f62b4e143750131325f6a6fbad5dbf820f716
Timestamp:
Thursday 27 October 2022 at 13:58:05 UTC
()
Proposer:
Authorizers:
Gas used:
52