Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 166c2af8e4874b3542443cc6cba8fe8a53b96fe404d43d607ced275a4aead14a:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^