Flow price: --
1e207c2bcd73affdecc1cf7571ded90b7553c83791e584ec00500d1a007b2358

Transaction

Hash: 1e207c2bcd73affdecc1cf7571ded90b7553c83791e584ec00500d1a007b2358
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1e207c2bcd73affdecc1cf7571ded90b7553c83791e584ec00500d1a007b2358:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1e207c2bcd73affdecc1cf7571ded90b7553c83791e584ec00500d1a007b2358
Status:
ERROR
Block height:
40121696
Block id:
1378305611afcbe47d75459e19a57128d9d5150e87b30db28f3ed8930a9f6955
Timestamp:
Tuesday 1 November 2022 at 18:42:08 UTC
()
Proposer:
Authorizers:
Gas used:
49