Flow price: --
f177b789169c260c503db92ed9e86004bc8d6467a1808a7a47cd0f9fb7f11197

Transaction

Hash: f177b789169c260c503db92ed9e86004bc8d6467a1808a7a47cd0f9fb7f11197
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> f177b789169c260c503db92ed9e86004bc8d6467a1808a7a47cd0f9fb7f11197:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
f177b789169c260c503db92ed9e86004bc8d6467a1808a7a47cd0f9fb7f11197
Status:
ERROR
Block height:
40719875
Block id:
637734d0987d904f654f1d75c25f64d90d03766fa7190cff4a1cd4ef64746dcf
Timestamp:
Friday 11 November 2022 at 20:03:43 UTC
()
Proposer:
Authorizers:
Gas used:
26