Flow price: --
f284464d5dcfd5b073fafdb151af637f3e8d0407e5d1d72fbd8b5b34f7b036c1

Transaction

Hash: f284464d5dcfd5b073fafdb151af637f3e8d0407e5d1d72fbd8b5b34f7b036c1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f284464d5dcfd5b073fafdb151af637f3e8d0407e5d1d72fbd8b5b34f7b036c1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f284464d5dcfd5b073fafdb151af637f3e8d0407e5d1d72fbd8b5b34f7b036c1
Status:
ERROR
Block height:
39840991
Block id:
7bba997a7afa10b28316ac697a8a9c381fe2adfa77f0571d7760221d3e9984b8
Timestamp:
Friday 28 October 2022 at 02:08:50 UTC
()
Proposer:
Authorizers:
Gas used:
50