Flow price: --
c9b7728fb81dcf050781997bd83a7da294fe0b56dff854b390ee55650f601357

Transaction

Hash: c9b7728fb81dcf050781997bd83a7da294fe0b56dff854b390ee55650f601357
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c9b7728fb81dcf050781997bd83a7da294fe0b56dff854b390ee55650f601357:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c9b7728fb81dcf050781997bd83a7da294fe0b56dff854b390ee55650f601357
Status:
ERROR
Block height:
39746192
Block id:
17303d5265c60a5f74992375ccab16c6b2fd962db5dce39bf8bf3a15bf2298f5
Timestamp:
Wednesday 26 October 2022 at 11:55:40 UTC
()
Proposer:
Authorizers:
Gas used:
47