Flow price: --
1b72c9e5553c243d49494b27184dbf6af18e5d0877823b1636756bc1a046a5f0

Transaction

Hash: 1b72c9e5553c243d49494b27184dbf6af18e5d0877823b1636756bc1a046a5f0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1b72c9e5553c243d49494b27184dbf6af18e5d0877823b1636756bc1a046a5f0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1b72c9e5553c243d49494b27184dbf6af18e5d0877823b1636756bc1a046a5f0
Status:
ERROR
Block height:
39967293
Block id:
b629955de8b0176d52ebe99e4e10f321009e408dd189dd72bbd06c1622782942
Timestamp:
Sunday 30 October 2022 at 04:40:27 UTC
()
Proposer:
Authorizers:
Gas used:
46