Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 87c91d6a93829341fe2d855276ae5825979bf9aed1a2c7654ec750869a03800c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^