Flow price: --
91d8a5de759ed39c43f02a89635fcd2dca58a7c23b538341e5e344efa5185fdc

Transaction

Hash: 91d8a5de759ed39c43f02a89635fcd2dca58a7c23b538341e5e344efa5185fdc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 91d8a5de759ed39c43f02a89635fcd2dca58a7c23b538341e5e344efa5185fdc: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:
91d8a5de759ed39c43f02a89635fcd2dca58a7c23b538341e5e344efa5185fdc
Status:
ERROR
Block height:
39977582
Block id:
40247caab221a5f912207d632aef29a4761345a83245344d1666ca089fb12336
Timestamp:
Sunday 30 October 2022 at 08:47:47 UTC
()
Proposer:
Authorizers:
Gas used:
48