Flow price: --
42b6eecb63b370f9ab57ae555217068afc57fd9062714c1916c3ccb84c9fbfac

Transaction

Hash: 42b6eecb63b370f9ab57ae555217068afc57fd9062714c1916c3ccb84c9fbfac
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 42b6eecb63b370f9ab57ae555217068afc57fd9062714c1916c3ccb84c9fbfac: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:
42b6eecb63b370f9ab57ae555217068afc57fd9062714c1916c3ccb84c9fbfac
Status:
ERROR
Block height:
40137697
Block id:
b49c14ebad488182009a87272f237807f62d51283b48ff7da247c0449e291d63
Timestamp:
Wednesday 2 November 2022 at 01:14:40 UTC
()
Proposer:
Authorizers:
Gas used:
47