Flow price: --
a1e9bb3e87337a45ce9dbea8ad36e7ac8cd7334091cf338b2c8b9b15e5f84519

Transaction

Hash: a1e9bb3e87337a45ce9dbea8ad36e7ac8cd7334091cf338b2c8b9b15e5f84519
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a1e9bb3e87337a45ce9dbea8ad36e7ac8cd7334091cf338b2c8b9b15e5f84519:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a1e9bb3e87337a45ce9dbea8ad36e7ac8cd7334091cf338b2c8b9b15e5f84519
Status:
ERROR
Block height:
39977081
Block id:
f39de373945f15d74f05298298e66bf6202d0faaaceaa4ebb70f4da8d50f13e2
Timestamp:
Sunday 30 October 2022 at 08:35:44 UTC
()
Proposer:
Authorizers:
Gas used:
49