Flow price: --
4997f862acc59dba6e65b12b37f3e33a35e3dda0f6bc0699253cfd3a99dbb4d9

Transaction

Hash: 4997f862acc59dba6e65b12b37f3e33a35e3dda0f6bc0699253cfd3a99dbb4d9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4997f862acc59dba6e65b12b37f3e33a35e3dda0f6bc0699253cfd3a99dbb4d9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4997f862acc59dba6e65b12b37f3e33a35e3dda0f6bc0699253cfd3a99dbb4d9
Status:
ERROR
Block height:
39977582
Block id:
40247caab221a5f912207d632aef29a4761345a83245344d1666ca089fb12336
Timestamp:
Sunday 30 October 2022 at 08:47:47 UTC
()
Proposer:
Authorizers:
Gas used:
48