Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 63939fb31eadfa38ead9fbb8f6cc5f53bc62501a8329b1b0dcfa0d39a414e5cc:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^