Flow price: --
a68ad70c0ad465cead5e91ef9c896f36a0a5d953ab69db52908eb602abbcb043

Transaction

Hash: a68ad70c0ad465cead5e91ef9c896f36a0a5d953ab69db52908eb602abbcb043
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a68ad70c0ad465cead5e91ef9c896f36a0a5d953ab69db52908eb602abbcb043:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a68ad70c0ad465cead5e91ef9c896f36a0a5d953ab69db52908eb602abbcb043
Status:
ERROR
Block height:
40125777
Block id:
a13c5d03a6d58c86ad86b03c73ecbea392cf971160978e74b581dad0d955ff43
Timestamp:
Tuesday 1 November 2022 at 20:22:33 UTC
()
Proposer:
Authorizers:
Gas used:
47