Flow price: --
8b1da3e5070e9846a2c4e526bb14c7074c0f8de3020956b330223600d9e728fe

Transaction

Hash: 8b1da3e5070e9846a2c4e526bb14c7074c0f8de3020956b330223600d9e728fe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8b1da3e5070e9846a2c4e526bb14c7074c0f8de3020956b330223600d9e728fe: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:
8b1da3e5070e9846a2c4e526bb14c7074c0f8de3020956b330223600d9e728fe
Status:
ERROR
Block height:
39855213
Block id:
4ada2185cce3073090aa481898197c704402bfa7f66d277a0f9135a63b0ac888
Timestamp:
Friday 28 October 2022 at 07:53:32 UTC
()
Proposer:
Authorizers:
Gas used:
47