Flow price: --
8a8fa5a92e0193a47a317a57bbf043551893ba494a7f18f074ca51f150367635

Transaction

Hash: 8a8fa5a92e0193a47a317a57bbf043551893ba494a7f18f074ca51f150367635
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8a8fa5a92e0193a47a317a57bbf043551893ba494a7f18f074ca51f150367635:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8a8fa5a92e0193a47a317a57bbf043551893ba494a7f18f074ca51f150367635
Status:
ERROR
Block height:
39936528
Block id:
5cc773ea9c5f0be6153a5d3533f08f5f732eef60438a3b1d61161dda2664f987
Timestamp:
Saturday 29 October 2022 at 16:28:07 UTC
()
Proposer:
Authorizers:
Gas used:
47