Flow price: --
789ce2d7641934e01326fec67844062b0e05831d634cbde2895ef837f5b0c8a8

Transaction

Hash: 789ce2d7641934e01326fec67844062b0e05831d634cbde2895ef837f5b0c8a8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 789ce2d7641934e01326fec67844062b0e05831d634cbde2895ef837f5b0c8a8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
789ce2d7641934e01326fec67844062b0e05831d634cbde2895ef837f5b0c8a8
Status:
ERROR
Block height:
40100252
Block id:
ee8439aa8dfe39f49a2ef5cf593e1bd5ffa161e98c0abce34416a6d07e3d66dd
Timestamp:
Tuesday 1 November 2022 at 10:01:21 UTC
()
Proposer:
Authorizers:
Gas used:
46