Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a70e4d73f68b62249c9efb5d25e4248db18f625f65f8e4a6c75da1ed282fa01f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^