Flow price: --
986ff526213840efb19c28bc822dc201eefb0dd4e138f4e990109d6f0f70ab6f

Transaction

Hash: 986ff526213840efb19c28bc822dc201eefb0dd4e138f4e990109d6f0f70ab6f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 986ff526213840efb19c28bc822dc201eefb0dd4e138f4e990109d6f0f70ab6f: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:
986ff526213840efb19c28bc822dc201eefb0dd4e138f4e990109d6f0f70ab6f
Status:
ERROR
Block height:
39873453
Block id:
b7f95e775e412685bfb605d32c02e1fc127e03f6ce977070d1e18769f7b23c99
Timestamp:
Friday 28 October 2022 at 15:12:48 UTC
()
Proposer:
Authorizers:
Gas used:
48