Flow price: --
e228e7f6bdf3e787669e861aa26ca7a1cb7c6a761b601b1f0b758fee58f6e825

Transaction

Hash: e228e7f6bdf3e787669e861aa26ca7a1cb7c6a761b601b1f0b758fee58f6e825
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e228e7f6bdf3e787669e861aa26ca7a1cb7c6a761b601b1f0b758fee58f6e825:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e228e7f6bdf3e787669e861aa26ca7a1cb7c6a761b601b1f0b758fee58f6e825
Status:
ERROR
Block height:
40131538
Block id:
ee257a690f79571d62f813b3e6466d248a3b7795264a21864370f10451a817be
Timestamp:
Tuesday 1 November 2022 at 22:44:29 UTC
()
Proposer:
Authorizers:
Gas used:
47