Flow price: --
f61e07329a72eee64a2db061705c95e86443d7a27db3e1d3e7e278f37e034ba1

Transaction

Hash: f61e07329a72eee64a2db061705c95e86443d7a27db3e1d3e7e278f37e034ba1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f61e07329a72eee64a2db061705c95e86443d7a27db3e1d3e7e278f37e034ba1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f61e07329a72eee64a2db061705c95e86443d7a27db3e1d3e7e278f37e034ba1
Status:
ERROR
Block height:
40117244
Block id:
d5c32e32a79582134c5efdf0475b700d2aeea51e084a688967a7689a9e5771ec
Timestamp:
Tuesday 1 November 2022 at 16:54:15 UTC
()
Proposer:
Authorizers:
Gas used:
50