Flow price: --
e7fef3661ca3ab15a110f2c7b43696418098444751cec394c2430e772588ffa8

Transaction

Hash: e7fef3661ca3ab15a110f2c7b43696418098444751cec394c2430e772588ffa8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e7fef3661ca3ab15a110f2c7b43696418098444751cec394c2430e772588ffa8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e7fef3661ca3ab15a110f2c7b43696418098444751cec394c2430e772588ffa8
Status:
ERROR
Block height:
40048032
Block id:
d8c02407d3a6cbefdf89d8781527e07f210920bdc9db40fd389c0dc27589af9a
Timestamp:
Monday 31 October 2022 at 12:58:32 UTC
()
Proposer:
Authorizers:
Gas used:
49