Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dd9f52e31398bd6bc57ede9d98a85718abffb09eaa5993d19d2accb4d808c09f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^