Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 12e12f8e7e59ccfbbd1a9b50889e306f6ddef356610a679d59df45fa9f1de3e8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^