Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e09a4b5214f8e99b5e23bf1ccf35c30e10b27ff1e8ce24d53a30b64cbabcee55:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^