Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 97b69d532caf3f9357261e30feed403b1ca045901b22fe6dfcaf2bbb83fbe0d1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^