Flow price: --
42871cd3c52e0bcb8d9ed4cf7179732a1c9d848a54b0cc67a72b6d959609f9cf

Transaction

Hash: 42871cd3c52e0bcb8d9ed4cf7179732a1c9d848a54b0cc67a72b6d959609f9cf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 42871cd3c52e0bcb8d9ed4cf7179732a1c9d848a54b0cc67a72b6d959609f9cf: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:
42871cd3c52e0bcb8d9ed4cf7179732a1c9d848a54b0cc67a72b6d959609f9cf
Status:
ERROR
Block height:
39987051
Block id:
4ced7f0f2bef1febed6bca2d41103524180d9f5a917d7fc02e3781c954ba4678
Timestamp:
Sunday 30 October 2022 at 12:34:47 UTC
()
Proposer:
Authorizers:
Gas used:
47