Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> acb017388f52e75488cc432eeba006ab6b51a7b20cd6cc2cf27e59afb72dffca:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^