Flow price: --
1685b796d3549c1e15617913438221e52c32ccc4c7ef0046e809a1da4a3e7220

Transaction

Hash: 1685b796d3549c1e15617913438221e52c32ccc4c7ef0046e809a1da4a3e7220
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1685b796d3549c1e15617913438221e52c32ccc4c7ef0046e809a1da4a3e7220:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1685b796d3549c1e15617913438221e52c32ccc4c7ef0046e809a1da4a3e7220
Status:
ERROR
Block height:
39792112
Block id:
34ad1703131638a57414c62e32b298302c81ee5400da51dfecea57b3e302be1d
Timestamp:
Thursday 27 October 2022 at 06:24:08 UTC
()
Proposer:
Authorizers:
Gas used:
47