Flow price: --
584c4aa26e6d31913716b4120efd64389217fbe458caccc62e4310038fb3d1f5

Transaction

Hash: 584c4aa26e6d31913716b4120efd64389217fbe458caccc62e4310038fb3d1f5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 584c4aa26e6d31913716b4120efd64389217fbe458caccc62e4310038fb3d1f5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
584c4aa26e6d31913716b4120efd64389217fbe458caccc62e4310038fb3d1f5
Status:
ERROR
Block height:
40111219
Block id:
7d187d35db0e9765024edceaad4214635f56b63a0e57702ad022a6383f2b0a71
Timestamp:
Tuesday 1 November 2022 at 14:27:26 UTC
()
Proposer:
Authorizers:
Gas used:
48