Flow price: --
6122659c5046e8461f966932fc9ee61e5d9c8e9ba553e1ba3ce91127d81509f3

Transaction

Hash: 6122659c5046e8461f966932fc9ee61e5d9c8e9ba553e1ba3ce91127d81509f3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6122659c5046e8461f966932fc9ee61e5d9c8e9ba553e1ba3ce91127d81509f3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6122659c5046e8461f966932fc9ee61e5d9c8e9ba553e1ba3ce91127d81509f3
Status:
ERROR
Block height:
40159150
Block id:
4aa68ef72a0a36f24d26699d8b4bdf2ba5019680aa73c71b98f5f629bcbe2776
Timestamp:
Wednesday 2 November 2022 at 09:57:32 UTC
()
Proposer:
Authorizers:
Gas used:
47