Flow price: --
596e71fecb330fb8889e3c9badb07f45e0290652b62b34e45f4523e98938cf3e

Transaction

Hash: 596e71fecb330fb8889e3c9badb07f45e0290652b62b34e45f4523e98938cf3e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 596e71fecb330fb8889e3c9badb07f45e0290652b62b34e45f4523e98938cf3e: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:
596e71fecb330fb8889e3c9badb07f45e0290652b62b34e45f4523e98938cf3e
Status:
ERROR
Block height:
39981220
Block id:
f47af8cabebbfd84f5ba25109ab558bcde63c33a85b44b194346e184c0f87852
Timestamp:
Sunday 30 October 2022 at 10:14:30 UTC
()
Proposer:
Authorizers:
Gas used:
48