Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 683015382daf70f9f542e26e1abfc90d2b2b8455b780d2c28b84c740bf0227e1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^