Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c7eb911d6de16424a02c35bd70240b4448268a00fa5d1d3623b6ad28cbfde5e5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^