Flow price: --
bc34c8c39e2cfa54251ada41a98c2bc9924a27802e9a6fc22363194458f4f9b7

Transaction

Hash: bc34c8c39e2cfa54251ada41a98c2bc9924a27802e9a6fc22363194458f4f9b7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bc34c8c39e2cfa54251ada41a98c2bc9924a27802e9a6fc22363194458f4f9b7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bc34c8c39e2cfa54251ada41a98c2bc9924a27802e9a6fc22363194458f4f9b7
Status:
ERROR
Block height:
40160520
Block id:
afe47bcfe75aa21ec388da0e165f2f8c6215a146d8fa85585a65d7a1ba0a1faf
Timestamp:
Wednesday 2 November 2022 at 10:31:08 UTC
()
Proposer:
Authorizers:
Gas used:
47