Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1e266665afe5f1aeefcbd866e7e462a1ce2958b4ae143b09257397c8fa44f4ef:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^