Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b2f704902a38b350173641940c0b0fd8cc18a03e95ae60fc8d53f6033cf7f89e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^