Flow price: --
59c70985877d43184fbcae5c64e3e22f4422b865a9d09c470946d25306ffecfd

Transaction

Hash: 59c70985877d43184fbcae5c64e3e22f4422b865a9d09c470946d25306ffecfd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 59c70985877d43184fbcae5c64e3e22f4422b865a9d09c470946d25306ffecfd: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:
59c70985877d43184fbcae5c64e3e22f4422b865a9d09c470946d25306ffecfd
Status:
ERROR
Block height:
40022852
Block id:
7ff1da687c45f1b61bbc4844e031824e0c28d9774bd60f55b870bb9931c75705
Timestamp:
Monday 31 October 2022 at 02:50:22 UTC
()
Proposer:
Authorizers:
Gas used:
47