Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f32765f55dacfc2c28965603986273a3e2e6252ed306bb0a2ea0351beb9e335c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^