Flow price: --
f99f93909df68899f02d479d2e91d5463afa0319d6ee9a75a46f32deb0f1d4d9

Transaction

Hash: f99f93909df68899f02d479d2e91d5463afa0319d6ee9a75a46f32deb0f1d4d9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f99f93909df68899f02d479d2e91d5463afa0319d6ee9a75a46f32deb0f1d4d9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f99f93909df68899f02d479d2e91d5463afa0319d6ee9a75a46f32deb0f1d4d9
Status:
ERROR
Block height:
40032647
Block id:
f13712280c9ef6c07888661c2e8976893b0065a9dd15e04bfba2d87ec6bcd2ec
Timestamp:
Monday 31 October 2022 at 06:47:26 UTC
()
Proposer:
Authorizers:
Gas used:
50