Flow price: --
bf0da080bf871697a2a239b26b16502dd6e386d2b71d7c96aac95e3a2f2015eb

Transaction

Hash: bf0da080bf871697a2a239b26b16502dd6e386d2b71d7c96aac95e3a2f2015eb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bf0da080bf871697a2a239b26b16502dd6e386d2b71d7c96aac95e3a2f2015eb: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:
bf0da080bf871697a2a239b26b16502dd6e386d2b71d7c96aac95e3a2f2015eb
Status:
ERROR
Block height:
39907432
Block id:
8b88b4e583c3b8cb5b299bcaea3f90152372b6cd8f0803f7d148b14799bd8b31
Timestamp:
Saturday 29 October 2022 at 04:44:22 UTC
()
Proposer:
Authorizers:
Gas used:
63