Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec9cb065c9f063152fe5a029967fe5c7c9f17a5fab206d1279b0f5362ead95fd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^