Flow price: --
8e241ef0d41c19fe4e9e030a852ea158ced7b02570906c6982e02ebe130a5634

Transaction

Hash: 8e241ef0d41c19fe4e9e030a852ea158ced7b02570906c6982e02ebe130a5634
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8e241ef0d41c19fe4e9e030a852ea158ced7b02570906c6982e02ebe130a5634:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8e241ef0d41c19fe4e9e030a852ea158ced7b02570906c6982e02ebe130a5634
Status:
ERROR
Block height:
40041649
Block id:
907ce85fc1b07ed44f22dc61d27fe96295e15a7fc02081b2fd6f3bee21c27663
Timestamp:
Monday 31 October 2022 at 10:24:21 UTC
()
Proposer:
Authorizers:
Gas used:
46