Flow price: --
4d1e16bc9fcd66d3331016a0837d4647eeee21ab21e71ea034ddf1a961b4ea3a

Transaction

Hash: 4d1e16bc9fcd66d3331016a0837d4647eeee21ab21e71ea034ddf1a961b4ea3a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4d1e16bc9fcd66d3331016a0837d4647eeee21ab21e71ea034ddf1a961b4ea3a: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:
4d1e16bc9fcd66d3331016a0837d4647eeee21ab21e71ea034ddf1a961b4ea3a
Status:
ERROR
Block height:
40034747
Block id:
0ef2c6c99aab99e184b0534b0aa4bd1275ecbf460942f7df3b3c1bd7c3486757
Timestamp:
Monday 31 October 2022 at 07:37:42 UTC
()
Proposer:
Authorizers:
Gas used:
47