Flow price: --
2677053bc5e430de2377bc3cb5703ce1a320152a8f95e346165236e24b9ba386

Transaction

Hash: 2677053bc5e430de2377bc3cb5703ce1a320152a8f95e346165236e24b9ba386
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2677053bc5e430de2377bc3cb5703ce1a320152a8f95e346165236e24b9ba386:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2677053bc5e430de2377bc3cb5703ce1a320152a8f95e346165236e24b9ba386
Status:
ERROR
Block height:
40121191
Block id:
332ccb1f12187189f0dfba98348b875b32b674c21bc0cd7a75a49c788c5a9331
Timestamp:
Tuesday 1 November 2022 at 18:29:59 UTC
()
Proposer:
Authorizers:
Gas used:
47