Flow price: --
30dd68b07f90cbe25125b7a6fe14b523461f0e44444706b7dce786c9e96519dd

Transaction

Hash: 30dd68b07f90cbe25125b7a6fe14b523461f0e44444706b7dce786c9e96519dd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 30dd68b07f90cbe25125b7a6fe14b523461f0e44444706b7dce786c9e96519dd: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:
30dd68b07f90cbe25125b7a6fe14b523461f0e44444706b7dce786c9e96519dd
Status:
ERROR
Block height:
39876420
Block id:
76c077ebb77fce1a2c9cff205ce079aa8118b31a530c2c62d9c57501efee2dd1
Timestamp:
Friday 28 October 2022 at 16:23:42 UTC
()
Proposer:
Authorizers:
Gas used:
49