Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1f9772c88b1102bd253745c1784534218859d5e3596938904b8dfcc343bf359f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^