Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e93c5422906b223f28e79e7e8f041de35b24410fb4a7d8006d6b63cb4eaf681b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^