Flow price: --
c50060567315fbb6d2a255f62cd0296cbe01c9d79a31f148fb2f2d7e4e8e78c4

Transaction

Hash: c50060567315fbb6d2a255f62cd0296cbe01c9d79a31f148fb2f2d7e4e8e78c4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c50060567315fbb6d2a255f62cd0296cbe01c9d79a31f148fb2f2d7e4e8e78c4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c50060567315fbb6d2a255f62cd0296cbe01c9d79a31f148fb2f2d7e4e8e78c4
Status:
ERROR
Block height:
39933670
Block id:
fdc47a6d204015e4dc59356ee7d7aca5b604ce217dbca427d0ed1ed72411b265
Timestamp:
Saturday 29 October 2022 at 15:18:42 UTC
()
Proposer:
Authorizers:
Gas used:
46