Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e7cd985b4f6d7a0df52395c9ceac6b488b2800e303b133e19dbd3bd5f95e8140:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^