Flow price: --
b1e585d88c1602d687f0b801d6545d9de690566c250c10181c16312b4a3f3819

Transaction

Hash: b1e585d88c1602d687f0b801d6545d9de690566c250c10181c16312b4a3f3819
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b1e585d88c1602d687f0b801d6545d9de690566c250c10181c16312b4a3f3819:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b1e585d88c1602d687f0b801d6545d9de690566c250c10181c16312b4a3f3819
Status:
ERROR
Block height:
40060169
Block id:
ca4d377c8f8832622667413f652211d8d7754d22517b58cce936b00fbaba9708
Timestamp:
Monday 31 October 2022 at 17:53:36 UTC
()
Proposer:
Authorizers:
Gas used:
47