Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 79d989734e43af9d50ac1bfed8a0dba859125b51395b02ea8ffffe378e7db87e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^