java.lang.UnsatisfiedLinkError: com.pdftron.pdf.PDFDoc.MemStreamCreateMemFilt(J)J

When I try to create PDFDoc passing InputStream to constructor I get:
java.lang.UnsatisfiedLinkError: com.pdftron.pdf.PDFDoc.MemStreamCreateMemFilt(J)J
at com.pdftron.pdf.PDFDoc.MemStreamCreateMemFilt(Native Method)
at com.pdftron.pdf.PDFDoc.(PDFDoc.java:178)

Could you send the code snippet that triggers this.
Are you able to reproduce using one of our SDK sample projects?