Flow price: --
75e424cc7efb32040e264c269af2eebf64c34f08377a52f5e4659bc90cbcca36

Transaction

Hash: 75e424cc7efb32040e264c269af2eebf64c34f08377a52f5e4659bc90cbcca36
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 75e424cc7efb32040e264c269af2eebf64c34f08377a52f5e4659bc90cbcca36:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
75e424cc7efb32040e264c269af2eebf64c34f08377a52f5e4659bc90cbcca36
Status:
ERROR
Block height:
39809017
Block id:
9ba0b28691f001290aa8a2bd63cf0de1294eec4658935f89aa829c584afb43d1
Timestamp:
Thursday 27 October 2022 at 13:14:07 UTC
()
Proposer:
Authorizers:
Gas used:
46