Flow price: --
68b80c39034f0d89c25ebf71a314154d2c3a0dc4608771948a55e7117acf6660

Transaction

Hash: 68b80c39034f0d89c25ebf71a314154d2c3a0dc4608771948a55e7117acf6660
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 68b80c39034f0d89c25ebf71a314154d2c3a0dc4608771948a55e7117acf6660:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
68b80c39034f0d89c25ebf71a314154d2c3a0dc4608771948a55e7117acf6660
Status:
ERROR
Block height:
40074139
Block id:
848f7859653f9db34f3e490634d7c9c872a7a7f841d7ca6931995cc8f4c2ac0c
Timestamp:
Monday 31 October 2022 at 23:27:37 UTC
()
Proposer:
Authorizers:
Gas used:
46