Flow price: --
798849ad3d5a42111b948032365c505775e9db123df7f1c81dc39e3a4cda8100

Transaction

Hash: 798849ad3d5a42111b948032365c505775e9db123df7f1c81dc39e3a4cda8100
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 798849ad3d5a42111b948032365c505775e9db123df7f1c81dc39e3a4cda8100:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
798849ad3d5a42111b948032365c505775e9db123df7f1c81dc39e3a4cda8100
Status:
ERROR
Block height:
40036061
Block id:
37f0eff49143a56356c5faf7d4e1d37f7a0b6e9afd1508bea47029b27d96018c
Timestamp:
Monday 31 October 2022 at 08:08:53 UTC
()
Proposer:
Authorizers:
Gas used:
67