Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 04ffdff80f877ad1986cb97308eb7aa7f571b0e4b99f2a0ce30e13ddad760760:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^