Flow price: --
754cfd164b514226feb68aa335303d77ef27b97515be2a3384e6f51ed4bcc480

Transaction

Hash: 754cfd164b514226feb68aa335303d77ef27b97515be2a3384e6f51ed4bcc480
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 754cfd164b514226feb68aa335303d77ef27b97515be2a3384e6f51ed4bcc480:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
754cfd164b514226feb68aa335303d77ef27b97515be2a3384e6f51ed4bcc480
Status:
ERROR
Block height:
40162953
Block id:
37f167f1cfdcdb02706477bc6874c3a5548f56c0240fd5b1f1597117a0f79c77
Timestamp:
Wednesday 2 November 2022 at 11:30:22 UTC
()
Proposer:
Authorizers:
Gas used:
62