Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 851c7902d9ec25cccb30418efeae1410ec867fdd7b7a92ea09116a4d1f8223f9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^