Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 87d0b38cdef2c17dbe5b30330e6c5bf7432bcaba32c26c686da7073aa832c3f6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^