Flow price: --
01d0d91ee85b16b2f88228c5e50e2cade78e8b91f92f5ac96f843f36fdcb3528

Transaction

Hash: 01d0d91ee85b16b2f88228c5e50e2cade78e8b91f92f5ac96f843f36fdcb3528
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 01d0d91ee85b16b2f88228c5e50e2cade78e8b91f92f5ac96f843f36fdcb3528:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
01d0d91ee85b16b2f88228c5e50e2cade78e8b91f92f5ac96f843f36fdcb3528
Status:
ERROR
Block height:
39755044
Block id:
0f343e6451ed82f8497ab4085b7efc80d9d391d977374a9156e921840f591b98
Timestamp:
Wednesday 26 October 2022 at 15:28:11 UTC
()
Proposer:
Authorizers:
Gas used:
47