Seeing exceeding memory issues when running on a pdb

[debarati-Atomic]

Describe the bug

./bin/fpocket -f ~/user/debarati/SYS.pdb

***** POCKET HUNTING BEGINS *****
exceeding memory size for each grid element
exceeding memory size for each grid element
exceeding memory size for each grid element
exceeding memory size for each grid element
exceeding memory size for each grid element
exceeding memory size for each grid element
exceeding memory size for each grid element
exceeding memory size for each grid element
exceeding memory size for each grid element
exceeding memory size for each grid element
***** POCKET HUNTING ENDS *****

SYS.pdb has 2 Mg2+ ions and is a RNA with a small molecule ligand in it.

[pschmidtke]

can you share the structure or reproduce it with a public domain structure?