Flow price: --
3cfcf5db0cceb81b2f2c1b2ea87916fefa22f5f719fe1016c4e573a968eb2662

Transaction

Hash: 3cfcf5db0cceb81b2f2c1b2ea87916fefa22f5f719fe1016c4e573a968eb2662
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3cfcf5db0cceb81b2f2c1b2ea87916fefa22f5f719fe1016c4e573a968eb2662:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3cfcf5db0cceb81b2f2c1b2ea87916fefa22f5f719fe1016c4e573a968eb2662
Status:
ERROR
Block height:
39966293
Block id:
f28ef06fd947de2c3ac68a4b07254787a569a55cd55dbbbf88c6a229c7e47046
Timestamp:
Sunday 30 October 2022 at 04:16:38 UTC
()
Proposer:
Authorizers:
Gas used:
47