Flow price: --
c0409df0395139ead61a967d5c70e8d776521858a9b45c25759d1717b731b1f4

Transaction

Hash: c0409df0395139ead61a967d5c70e8d776521858a9b45c25759d1717b731b1f4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c0409df0395139ead61a967d5c70e8d776521858a9b45c25759d1717b731b1f4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c0409df0395139ead61a967d5c70e8d776521858a9b45c25759d1717b731b1f4
Status:
ERROR
Block height:
39861497
Block id:
0e67364a1b9953c62d80e7daa24cf827c248477c0d2224a945355fadfd874b90
Timestamp:
Friday 28 October 2022 at 10:24:58 UTC
()
Proposer:
Authorizers:
Gas used:
46