Flow price: --
f2bba6ca94d39a9f6f7fb83e0f0bcba41848f79bce674f0135e8388fc445fda6

Transaction

Hash: f2bba6ca94d39a9f6f7fb83e0f0bcba41848f79bce674f0135e8388fc445fda6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f2bba6ca94d39a9f6f7fb83e0f0bcba41848f79bce674f0135e8388fc445fda6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f2bba6ca94d39a9f6f7fb83e0f0bcba41848f79bce674f0135e8388fc445fda6
Status:
ERROR
Block height:
39731820
Block id:
2ba51b15773cdea0b56539ed707b4e85ee25d26d8641c4b8cbcb9e124dc6ac8a
Timestamp:
Wednesday 26 October 2022 at 06:07:20 UTC
()
Proposer:
Authorizers:
Gas used:
50