Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a5e7a9f1d24e54444854ebd0da86ed6ca3c548f135073c4041b440a0571765f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^