Flow price: --
e87f88714ae40207d064b05609d6b13c7dfc9ab2b7f713a76e2520e3cafa1196

Transaction

Hash: e87f88714ae40207d064b05609d6b13c7dfc9ab2b7f713a76e2520e3cafa1196
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e87f88714ae40207d064b05609d6b13c7dfc9ab2b7f713a76e2520e3cafa1196:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e87f88714ae40207d064b05609d6b13c7dfc9ab2b7f713a76e2520e3cafa1196
Status:
ERROR
Block height:
40015038
Block id:
e3973c36c3e2f843d151bd63b3f813f37c8c97fb2aa254cb472a19342e10b239
Timestamp:
Sunday 30 October 2022 at 23:43:21 UTC
()
Proposer:
Authorizers:
Gas used:
46