Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6edae27b37066e8e7187146480f4a866a92e4b9658c4b63fa2ce54b248335aeb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^