Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5ef648db0e5ef274f00d63dabe97783fbc85998dc96a40a871d322978aa201b1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^