Flow price: --
2f5ca88bd60c651f1cfedd150cf7e915837bf657afeedf790e803120e5eec5b9

Transaction

Hash: 2f5ca88bd60c651f1cfedd150cf7e915837bf657afeedf790e803120e5eec5b9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2f5ca88bd60c651f1cfedd150cf7e915837bf657afeedf790e803120e5eec5b9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2f5ca88bd60c651f1cfedd150cf7e915837bf657afeedf790e803120e5eec5b9
Status:
ERROR
Block height:
40104089
Block id:
d6073a6c81c7b8bcdd63027db240304c474ccf30ba7fe2069c3fedd900a44235
Timestamp:
Tuesday 1 November 2022 at 11:34:37 UTC
()
Proposer:
Authorizers:
Gas used:
52