Flow price: --
2c53548ead7d65654a63abd5e8aad432f353b15c941ade657b996dc5787d20f6

Transaction

Hash: 2c53548ead7d65654a63abd5e8aad432f353b15c941ade657b996dc5787d20f6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2c53548ead7d65654a63abd5e8aad432f353b15c941ade657b996dc5787d20f6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2c53548ead7d65654a63abd5e8aad432f353b15c941ade657b996dc5787d20f6
Status:
ERROR
Block height:
39961981
Block id:
9cfb48a818bbe114156677cae3f00143d8acf614e1ab6af3bfd67b8aa833c61d
Timestamp:
Sunday 30 October 2022 at 02:33:15 UTC
()
Proposer:
Authorizers:
Gas used:
49