Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 237261c74459dbd3aad2c7a5bc4406dbb926d7b88ba67032ef305fbfd9da2edb:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^