Flow price: --
db6c471c064dce2fea5fba70d5f62ba8f81de4d3d55a932316790e45697c05ae

Transaction

Hash: db6c471c064dce2fea5fba70d5f62ba8f81de4d3d55a932316790e45697c05ae
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> db6c471c064dce2fea5fba70d5f62ba8f81de4d3d55a932316790e45697c05ae: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:
db6c471c064dce2fea5fba70d5f62ba8f81de4d3d55a932316790e45697c05ae
Status:
ERROR
Block height:
40132972
Block id:
704e11ed4701c2939d59608d64c03eb5025889ba09e18875783a07666d841089
Timestamp:
Tuesday 1 November 2022 at 23:19:48 UTC
()
Proposer:
Authorizers:
Gas used:
50