Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ad6887f1648873cf2b0e019e03b9fdece1c41bcf773fd8af0a9357353958a04d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^