Flow price: --
b564580d608cb509fcf42d213dfcda64cad6ecf03c7eef49d5f54f5dfe994a10

Transaction

Hash: b564580d608cb509fcf42d213dfcda64cad6ecf03c7eef49d5f54f5dfe994a10
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b564580d608cb509fcf42d213dfcda64cad6ecf03c7eef49d5f54f5dfe994a10:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b564580d608cb509fcf42d213dfcda64cad6ecf03c7eef49d5f54f5dfe994a10
Status:
ERROR
Block height:
40153155
Block id:
6bc6850033057109cd0e1cfd0d37683fcc30b41701fdb723f4ff0105dd4bd84d
Timestamp:
Wednesday 2 November 2022 at 07:31:43 UTC
()
Proposer:
Authorizers:
Gas used:
58