Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0940f234aa5849920b0757eae2179ceca5bc4feca4e3964b630ba1cbec1d43bf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^