Flow price: --
3d47e110af59c32d35066e6a6aed37817fa5ddcf8b673ebf8c1a200a3ef68bdd

Transaction

Hash: 3d47e110af59c32d35066e6a6aed37817fa5ddcf8b673ebf8c1a200a3ef68bdd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3d47e110af59c32d35066e6a6aed37817fa5ddcf8b673ebf8c1a200a3ef68bdd: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:
3d47e110af59c32d35066e6a6aed37817fa5ddcf8b673ebf8c1a200a3ef68bdd
Status:
ERROR
Block height:
40036054
Block id:
9fa0e5d8fd7961191fc637c939292373c856f362c60fa1c881dab244a271140e
Timestamp:
Monday 31 October 2022 at 08:08:40 UTC
()
Proposer:
Authorizers:
Gas used:
47