Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dd12e5ff6fdd7c80779fccd893b1020ada4c99cbdb0147c00ffa3c391acbb521:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^