Flow price: --
6c7e85e427e6d4d3ce04a634216ce576aaf8210d93263fd59f3a123a6333ff22

Transaction

Hash: 6c7e85e427e6d4d3ce04a634216ce576aaf8210d93263fd59f3a123a6333ff22
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6c7e85e427e6d4d3ce04a634216ce576aaf8210d93263fd59f3a123a6333ff22:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6c7e85e427e6d4d3ce04a634216ce576aaf8210d93263fd59f3a123a6333ff22
Status:
ERROR
Block height:
40055307
Block id:
501ac284590871c713a0776dacae3fea73240298e5460b51be5e15b1c41589e3
Timestamp:
Monday 31 October 2022 at 15:55:10 UTC
()
Proposer:
Authorizers:
Gas used:
47