Flow price: --
63ec53e77446104309b5ad50bb045f96ced58661a8c4784b64bacb643b5b4180

Transaction

Hash: 63ec53e77446104309b5ad50bb045f96ced58661a8c4784b64bacb643b5b4180
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 63ec53e77446104309b5ad50bb045f96ced58661a8c4784b64bacb643b5b4180:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
63ec53e77446104309b5ad50bb045f96ced58661a8c4784b64bacb643b5b4180
Status:
ERROR
Block height:
40074075
Block id:
cd418481975bbe75b8e1675f8c0c2394a56b69949d0902c336e2b94c0cddd98d
Timestamp:
Monday 31 October 2022 at 23:26:03 UTC
()
Proposer:
Authorizers:
Gas used:
47