Flow price: --
4fc49504fbaf001f5b4464247f44cbcc53c7f0340be816711389faf78ae6307e

Transaction

Hash: 4fc49504fbaf001f5b4464247f44cbcc53c7f0340be816711389faf78ae6307e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4fc49504fbaf001f5b4464247f44cbcc53c7f0340be816711389faf78ae6307e: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:
4fc49504fbaf001f5b4464247f44cbcc53c7f0340be816711389faf78ae6307e
Status:
ERROR
Block height:
39961433
Block id:
a3130d90ce8f612f334b203384787330fb8a3100fafb574593f0a4f6811dd8de
Timestamp:
Sunday 30 October 2022 at 02:20:13 UTC
()
Proposer:
Authorizers:
Gas used:
49