Flow price: --
2c7072e517bc4e09215d3efd554c2b203dc0789a357ae963a5e7cc29703a4bc5

Transaction

Hash: 2c7072e517bc4e09215d3efd554c2b203dc0789a357ae963a5e7cc29703a4bc5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2c7072e517bc4e09215d3efd554c2b203dc0789a357ae963a5e7cc29703a4bc5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2c7072e517bc4e09215d3efd554c2b203dc0789a357ae963a5e7cc29703a4bc5
Status:
ERROR
Block height:
39847030
Block id:
2799b8984ff28a737ada24d1e2078f5d5c538d70aada11be03533c1ab6ff770e
Timestamp:
Friday 28 October 2022 at 04:33:35 UTC
()
Proposer:
Authorizers:
Gas used:
46