Flow price: --
1f5e434423afaeabeb86fb0e815bb9a951879b2e0f54fc78ce256e83f54b6544

Transaction

Hash: 1f5e434423afaeabeb86fb0e815bb9a951879b2e0f54fc78ce256e83f54b6544
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1f5e434423afaeabeb86fb0e815bb9a951879b2e0f54fc78ce256e83f54b6544:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1f5e434423afaeabeb86fb0e815bb9a951879b2e0f54fc78ce256e83f54b6544
Status:
ERROR
Block height:
40142115
Block id:
144462b73d4cabee1c61af5e6648dd41dc0812a4c1294a01c5c7b16a387e5d87
Timestamp:
Wednesday 2 November 2022 at 03:01:53 UTC
()
Proposer:
Authorizers:
Gas used:
46