Flow price: --
81435de591f7ffb10fb19be1fbf6824f3fd109b9355b34a1350c056e4fa332fa

Transaction

Hash: 81435de591f7ffb10fb19be1fbf6824f3fd109b9355b34a1350c056e4fa332fa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 81435de591f7ffb10fb19be1fbf6824f3fd109b9355b34a1350c056e4fa332fa: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:
81435de591f7ffb10fb19be1fbf6824f3fd109b9355b34a1350c056e4fa332fa
Status:
ERROR
Block height:
40081228
Block id:
c3eff8cf1d675dfde6e9804aa92037c80d0ea4959eb71b7dc82bc183cfcdb55f
Timestamp:
Tuesday 1 November 2022 at 02:17:47 UTC
()
Proposer:
Authorizers:
Gas used:
47