Flow price: --
9bd1c0d5d68f034e176f8e892c76fae9a883131e082b4b817e82de915970dd50

Transaction

Hash: 9bd1c0d5d68f034e176f8e892c76fae9a883131e082b4b817e82de915970dd50
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9bd1c0d5d68f034e176f8e892c76fae9a883131e082b4b817e82de915970dd50:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9bd1c0d5d68f034e176f8e892c76fae9a883131e082b4b817e82de915970dd50
Status:
ERROR
Block height:
39847166
Block id:
773d29ed118a16e38de0f53dcd757bc8c13ea609b94e279e2e0d47f1e329e998
Timestamp:
Friday 28 October 2022 at 04:36:52 UTC
()
Proposer:
Authorizers:
Gas used:
50