Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2d07d7ab0a606bb348f47bc9fa5e6335e4919d7106431dca87244d45fd245eaf:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^