Flow price: --
f5e144b910f0067320c613b9d5157ca69f153af911e09d411cccd9a7a8bad489

Transaction

Hash: f5e144b910f0067320c613b9d5157ca69f153af911e09d411cccd9a7a8bad489
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f5e144b910f0067320c613b9d5157ca69f153af911e09d411cccd9a7a8bad489:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f5e144b910f0067320c613b9d5157ca69f153af911e09d411cccd9a7a8bad489
Status:
ERROR
Block height:
40121683
Block id:
b366eeb7f21d893eb814c8358895e2e9399ea79feb0767b91d01e60ac1a469b5
Timestamp:
Tuesday 1 November 2022 at 18:41:45 UTC
()
Proposer:
Authorizers:
Gas used:
49