Flow price: --
e158cea2fa1f621f5a34b4403194fbfb6b88fec305d3a33c92dc404e1b2bcb53

Transaction

Hash: e158cea2fa1f621f5a34b4403194fbfb6b88fec305d3a33c92dc404e1b2bcb53
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e158cea2fa1f621f5a34b4403194fbfb6b88fec305d3a33c92dc404e1b2bcb53:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e158cea2fa1f621f5a34b4403194fbfb6b88fec305d3a33c92dc404e1b2bcb53
Status:
ERROR
Block height:
40104905
Block id:
ee91ed6466bd4ec439678f841b93e6eeafe7b5d3ded60f11a0523eac022c97e3
Timestamp:
Tuesday 1 November 2022 at 11:54:13 UTC
()
Proposer:
Authorizers:
Gas used:
50