Flow price: --
3b90b20e86235120a01c0a2bdf5009956f07c3cdf6a58fb6e21ce369df38c957

Transaction

Hash: 3b90b20e86235120a01c0a2bdf5009956f07c3cdf6a58fb6e21ce369df38c957
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3b90b20e86235120a01c0a2bdf5009956f07c3cdf6a58fb6e21ce369df38c957:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3b90b20e86235120a01c0a2bdf5009956f07c3cdf6a58fb6e21ce369df38c957
Status:
ERROR
Block height:
40027170
Block id:
92a60764e9bd96238f3b2824a3698c051fd0a606d2ec6e2064ce2841b4051f9f
Timestamp:
Monday 31 October 2022 at 04:34:22 UTC
()
Proposer:
Authorizers:
Gas used:
48