Flow price: --
a21479a23bb5d7bc6f0899fc99664c52720a174b20a052e6a5d3d8950b4faa1f

Transaction

Hash: a21479a23bb5d7bc6f0899fc99664c52720a174b20a052e6a5d3d8950b4faa1f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a21479a23bb5d7bc6f0899fc99664c52720a174b20a052e6a5d3d8950b4faa1f: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:
a21479a23bb5d7bc6f0899fc99664c52720a174b20a052e6a5d3d8950b4faa1f
Status:
ERROR
Block height:
40043869
Block id:
abb03c9fc8962ab0cf20ea8669303947c624fa46481ef52cda22f4e6ccde0206
Timestamp:
Monday 31 October 2022 at 11:18:00 UTC
()
Proposer:
Authorizers:
Gas used:
47