Flow price: --
fdd0de6a0c3c06f0896a96d65be05a6eb142ed2abdf66b6e7ad9ff633bec9e60

Transaction

Hash: fdd0de6a0c3c06f0896a96d65be05a6eb142ed2abdf66b6e7ad9ff633bec9e60
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fdd0de6a0c3c06f0896a96d65be05a6eb142ed2abdf66b6e7ad9ff633bec9e60:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fdd0de6a0c3c06f0896a96d65be05a6eb142ed2abdf66b6e7ad9ff633bec9e60
Status:
ERROR
Block height:
39966909
Block id:
a22a6010215d4552b5b99beec526a211cca84e1376b5084aff1712c76d6a4ffb
Timestamp:
Sunday 30 October 2022 at 04:31:07 UTC
()
Proposer:
Authorizers:
Gas used:
50