Flow price: --
d65f74c8e2ba00816b845eb4b186e23095ccd7156d7416ed558bec5bf52921d1

Transaction

Hash: d65f74c8e2ba00816b845eb4b186e23095ccd7156d7416ed558bec5bf52921d1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d65f74c8e2ba00816b845eb4b186e23095ccd7156d7416ed558bec5bf52921d1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d65f74c8e2ba00816b845eb4b186e23095ccd7156d7416ed558bec5bf52921d1
Status:
ERROR
Block height:
40049327
Block id:
d1c4e6a0eac64c79466d432a2f177e288d95fbbe243134c4bf91294885abc66c
Timestamp:
Monday 31 October 2022 at 13:29:49 UTC
()
Proposer:
Authorizers:
Gas used:
49