Could not import text data for file

Hi,
since a few days all my rules stop working. I'm checking pdf-files in the downloads folder and now I get the following error, regardless of which pdf is evaluated:
2017-10-12 07:22:49.944 hazelworker[29277] Could not import text data for file: /Users/myuserdir/Downloads/MXPM6S.pdf
2017-10-12 07:22:49.944 hazelworker[29277] [Error] Error during rule evaluation: Received error while trying to evaluate rule KA Girokonto on file MXPM6S.pdf
2017-10-12 07:22:49.944 hazelworker[29277] Error while matching rule KA Girokonto against file /Users/myuserdir/Downloads/MXPM6S.pdf: Could not import text from /Users/myuserdir/Downloads/MXPM6S.pdf.
2017-10-12 07:22:49.944 hazelworker[29277] ###main load address: 0x104968000
2017-10-12 07:22:49.944 hazelworker[29277] ###Noodle load address: 0x104a86000
2017-10-12 07:22:49.944 hazelworker[29277] ###CK load address: 0x104a4d000
2017-10-12 07:22:49.944 hazelworker[29277] (
0 CoreFoundation 0x00007fff4beed18b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x00007fff7284fc76 objc_exception_throw + 48
2 CoreFoundation 0x00007fff4bf7ebfd +[NSException raise:format:] + 205
3 hazelworker 0x00000001049bb250 hazelworker + 340560
4 hazelworker 0x00000001049bb335 hazelworker + 340789
5 Foundation 0x00007fff4df449f8 -[NSComparisonPredicate evaluateWithObject:substitutionVariables:] + 309
6 hazelworker 0x00000001049db50b hazelworker + 472331
7 hazelworker 0x00000001049df6c7 hazelworker + 489159
8 hazelworker 0x00000001049df890 hazelworker + 489616
9 hazelworker 0x00000001049ddcd3 hazelworker + 482515
10 hazelworker 0x00000001049e9a35 hazelworker + 530997
11 hazelworker 0x00000001049db31d hazelworker + 471837
12 hazelworker 0x00000001049acc68 hazelworker + 281704
13 hazelworker 0x00000001049700e9 hazelworker + 33001
14 hazelworker 0x00000001049728fc hazelworker + 43260
15 hazelworker 0x0000000104974f99 hazelworker + 53145
16 libdyld.dylib 0x00007fff7343e145 start + 1
17 ??? 0x0000000000000002 0x0 + 2
)
2017-10-12 07:22:57.950 hazelworker[29277] Done processing folder Downloads
Thank you for your help,
Best Regards,
Richard
since a few days all my rules stop working. I'm checking pdf-files in the downloads folder and now I get the following error, regardless of which pdf is evaluated:
2017-10-12 07:22:49.944 hazelworker[29277] Could not import text data for file: /Users/myuserdir/Downloads/MXPM6S.pdf
2017-10-12 07:22:49.944 hazelworker[29277] [Error] Error during rule evaluation: Received error while trying to evaluate rule KA Girokonto on file MXPM6S.pdf
2017-10-12 07:22:49.944 hazelworker[29277] Error while matching rule KA Girokonto against file /Users/myuserdir/Downloads/MXPM6S.pdf: Could not import text from /Users/myuserdir/Downloads/MXPM6S.pdf.
2017-10-12 07:22:49.944 hazelworker[29277] ###main load address: 0x104968000
2017-10-12 07:22:49.944 hazelworker[29277] ###Noodle load address: 0x104a86000
2017-10-12 07:22:49.944 hazelworker[29277] ###CK load address: 0x104a4d000
2017-10-12 07:22:49.944 hazelworker[29277] (
0 CoreFoundation 0x00007fff4beed18b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x00007fff7284fc76 objc_exception_throw + 48
2 CoreFoundation 0x00007fff4bf7ebfd +[NSException raise:format:] + 205
3 hazelworker 0x00000001049bb250 hazelworker + 340560
4 hazelworker 0x00000001049bb335 hazelworker + 340789
5 Foundation 0x00007fff4df449f8 -[NSComparisonPredicate evaluateWithObject:substitutionVariables:] + 309
6 hazelworker 0x00000001049db50b hazelworker + 472331
7 hazelworker 0x00000001049df6c7 hazelworker + 489159
8 hazelworker 0x00000001049df890 hazelworker + 489616
9 hazelworker 0x00000001049ddcd3 hazelworker + 482515
10 hazelworker 0x00000001049e9a35 hazelworker + 530997
11 hazelworker 0x00000001049db31d hazelworker + 471837
12 hazelworker 0x00000001049acc68 hazelworker + 281704
13 hazelworker 0x00000001049700e9 hazelworker + 33001
14 hazelworker 0x00000001049728fc hazelworker + 43260
15 hazelworker 0x0000000104974f99 hazelworker + 53145
16 libdyld.dylib 0x00007fff7343e145 start + 1
17 ??? 0x0000000000000002 0x0 + 2
)
2017-10-12 07:22:57.950 hazelworker[29277] Done processing folder Downloads
Thank you for your help,
Best Regards,
Richard