Flow price: --
7c7f4a9489557784cb298669a5bbcea01c7102b059e19e1bf120fc72377ef8d8

Transaction

Hash: 7c7f4a9489557784cb298669a5bbcea01c7102b059e19e1bf120fc72377ef8d8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7c7f4a9489557784cb298669a5bbcea01c7102b059e19e1bf120fc72377ef8d8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7c7f4a9489557784cb298669a5bbcea01c7102b059e19e1bf120fc72377ef8d8
Status:
ERROR
Block height:
40125241
Block id:
f343167917ccdaecd534b3372b0e5ce68f4e5e417ed91dce91e7ab4d819faa98
Timestamp:
Tuesday 1 November 2022 at 20:09:36 UTC
()
Proposer:
Authorizers:
Gas used:
47