Flow price: --
649fbd4499c4173b8aac08592ceb1faee4cba180141f8246e1dcca72d5eea3a3

Transaction

Hash: 649fbd4499c4173b8aac08592ceb1faee4cba180141f8246e1dcca72d5eea3a3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 649fbd4499c4173b8aac08592ceb1faee4cba180141f8246e1dcca72d5eea3a3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
649fbd4499c4173b8aac08592ceb1faee4cba180141f8246e1dcca72d5eea3a3
Status:
ERROR
Block height:
39870398
Block id:
4860bc465b0d7807229e3bfee3e5f2af4a09f03fe703a2716fdd89ba0a0b0f9f
Timestamp:
Friday 28 October 2022 at 13:59:21 UTC
()
Proposer:
Authorizers:
Gas used:
48