Flow price: --
3c844873e98e9d0486a6a50d94a14abe6faf41e350088104e58cb8211f68fb3d

Transaction

Hash: 3c844873e98e9d0486a6a50d94a14abe6faf41e350088104e58cb8211f68fb3d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3c844873e98e9d0486a6a50d94a14abe6faf41e350088104e58cb8211f68fb3d: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:
3c844873e98e9d0486a6a50d94a14abe6faf41e350088104e58cb8211f68fb3d
Status:
ERROR
Block height:
40079411
Block id:
d88f593132b63cbb3f723198329a387d2e54699318217ebab44df8903661cd84
Timestamp:
Tuesday 1 November 2022 at 01:33:28 UTC
()
Proposer:
Authorizers:
Gas used:
46