Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c83a0e96c5210e6c38216acba2f2842465070e5c10ba13f19c50d7ce48c51be2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^