Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 85692fc20e1729e808a4fd8a0e2d7c9a15a1c455c70a1596f2fbb1411ac14466:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^