Flow price: --
a468a69845d1f19bf6550fa1c03597e6ad8dec33c70514acdf469cbdbb165674

Transaction

Hash: a468a69845d1f19bf6550fa1c03597e6ad8dec33c70514acdf469cbdbb165674
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a468a69845d1f19bf6550fa1c03597e6ad8dec33c70514acdf469cbdbb165674:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a468a69845d1f19bf6550fa1c03597e6ad8dec33c70514acdf469cbdbb165674
Status:
ERROR
Block height:
39874703
Block id:
a16cfc2519d3e9fb1f7243997029f170619785fa76d9b0f677c0e8922dc76383
Timestamp:
Friday 28 October 2022 at 15:42:51 UTC
()
Proposer:
Authorizers:
Gas used:
46