Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 89ab0c33dfa635fbfff92c979332248696e99ecd7557fd988c01b94b4ca38c0e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^