Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a6ae5ae3f90c30120dcb298e2b5be76ff2bf678991cfe2e0f2b65574d36f133b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^