Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 34729a177d15e7c917e95965f1ebc3c0da17931aa9eec72410cdc380076afeb4:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^