Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5381999d0a283343078793fd4bb34d3c5c721aa24a5c6c8a956772eaf2f1a7fb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^