Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f83d4410d955829c1aeaea6f4d8ce955f2aacd7cd5dce235f2c72fea7f41a320:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^