Flow price: --
f56025055d4e6a438fb4301824b3d4d9bace40251eff06246dd84dfc6ae83275

Transaction

Hash: f56025055d4e6a438fb4301824b3d4d9bace40251eff06246dd84dfc6ae83275
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f56025055d4e6a438fb4301824b3d4d9bace40251eff06246dd84dfc6ae83275:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f56025055d4e6a438fb4301824b3d4d9bace40251eff06246dd84dfc6ae83275
Status:
ERROR
Block height:
40083008
Block id:
d9267cca860a4aa919c7e5388d9f7905d3d0e773b0ef3b2a3130fcb6013aa941
Timestamp:
Tuesday 1 November 2022 at 03:00:42 UTC
()
Proposer:
Authorizers:
Gas used:
46