Flow price: --
a464d0cbd2aada147caa3e686b875b1546b6c3449f326e146ef408912215ccc6

Transaction

Hash: a464d0cbd2aada147caa3e686b875b1546b6c3449f326e146ef408912215ccc6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a464d0cbd2aada147caa3e686b875b1546b6c3449f326e146ef408912215ccc6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a464d0cbd2aada147caa3e686b875b1546b6c3449f326e146ef408912215ccc6
Status:
ERROR
Block height:
39852615
Block id:
c1da1f98bcd04344d582a721f294c85de2f045486ac160ffc13c6048bd71348d
Timestamp:
Friday 28 October 2022 at 06:49:34 UTC
()
Proposer:
Authorizers:
Gas used:
49