Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 302daf5f793291779273b7156cb9daabc04868699c6c3ed1baf0b1953f556de2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^