Flow price: --
d823601aaecabcd07fba8127d90a1d997c6a7c4e1156ac4eaa31588b6bb3a11f

Transaction

Hash: d823601aaecabcd07fba8127d90a1d997c6a7c4e1156ac4eaa31588b6bb3a11f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d823601aaecabcd07fba8127d90a1d997c6a7c4e1156ac4eaa31588b6bb3a11f: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:
d823601aaecabcd07fba8127d90a1d997c6a7c4e1156ac4eaa31588b6bb3a11f
Status:
ERROR
Block height:
40148690
Block id:
2c93e7b0105db584a90e1c45fe0d9cc5a478b5e317e3c0dcc3da8e7e4efca2ad
Timestamp:
Wednesday 2 November 2022 at 05:42:02 UTC
()
Proposer:
Authorizers:
Gas used:
49