Flow price: --
e252af75f7a82d3d0360786c9b0209a119b7b9dacd805e614e13903dac09063e

Transaction

Hash: e252af75f7a82d3d0360786c9b0209a119b7b9dacd805e614e13903dac09063e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e252af75f7a82d3d0360786c9b0209a119b7b9dacd805e614e13903dac09063e: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:
e252af75f7a82d3d0360786c9b0209a119b7b9dacd805e614e13903dac09063e
Status:
ERROR
Block height:
39847569
Block id:
7ff7d05cf283e054d64ca3321bd395b245f5d79e249eae891f3302a842666a67
Timestamp:
Friday 28 October 2022 at 04:46:44 UTC
()
Proposer:
Authorizers:
Gas used:
46