Flow price: --
e4a587772c612e2f9b5e734c8fb2fcea17384af39a40733ef4328e1f7e22392e

Transaction

Hash: e4a587772c612e2f9b5e734c8fb2fcea17384af39a40733ef4328e1f7e22392e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e4a587772c612e2f9b5e734c8fb2fcea17384af39a40733ef4328e1f7e22392e: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:
e4a587772c612e2f9b5e734c8fb2fcea17384af39a40733ef4328e1f7e22392e
Status:
ERROR
Block height:
40029817
Block id:
426954446547e5b89742c64d7228c4f28f0ada07eb057756610b67b093fd8dea
Timestamp:
Monday 31 October 2022 at 05:38:58 UTC
()
Proposer:
Authorizers:
Gas used:
48