Flow price: --
5ef4b6c90adb453bfb3f3e8b627792d1de62604e09f269e340f43170cab2069e

Transaction

Hash: 5ef4b6c90adb453bfb3f3e8b627792d1de62604e09f269e340f43170cab2069e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5ef4b6c90adb453bfb3f3e8b627792d1de62604e09f269e340f43170cab2069e: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:
5ef4b6c90adb453bfb3f3e8b627792d1de62604e09f269e340f43170cab2069e
Status:
ERROR
Block height:
40134724
Block id:
2a302be6dbf146c103d5a8a497e5487557201ff4c23045b63e5294b645219ad0
Timestamp:
Wednesday 2 November 2022 at 00:02:47 UTC
()
Proposer:
Authorizers:
Gas used:
48