Flow price: --
c382f8a70a170bc7cb2956d4deab42d723b9d0225d598f80bee9f1ccff05f5f4

Transaction

Hash: c382f8a70a170bc7cb2956d4deab42d723b9d0225d598f80bee9f1ccff05f5f4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c382f8a70a170bc7cb2956d4deab42d723b9d0225d598f80bee9f1ccff05f5f4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c382f8a70a170bc7cb2956d4deab42d723b9d0225d598f80bee9f1ccff05f5f4
Status:
ERROR
Block height:
39876993
Block id:
0b0c7a60fd48ba0df5a68727500a4ed1bddd036a7f41c5de1d6618a866ec8d85
Timestamp:
Friday 28 October 2022 at 16:37:09 UTC
()
Proposer:
Authorizers:
Gas used:
50