error in writing a dumpfile with expdp (autonomous cloud db). Can you check this please?

error in writing a dumpfile with expdp (autonomous cloud db). Can you check this please?

tenant: itbbcloud01

DBMS_METADATA.FETCH_XML_CLOB

KUPW: In procedure SEND_MSG. Fatal=0

KUPW: In procedure COMPLETE_EXP_OBJECT old seqno: 2 new seqno: 0 current object type: SYSTEM_GRANT

KUPF$FILE.FLUSH_LOB

KUPW: In procedure DETERMINE_FATAL_ERROR with ORA-31616: unable to write to dump file "/u03/dbfs/95D2C64126191790E0535A18000A257A/data/dpdump/EXPORT_FILENAME02.dmp"

ORA-06512: at "SYS.KUPF$FILE", line 5527

ORA-19502: write error on file "/u03/dbfs/95D2C64126191790E0535A18000A257A/data/dpdump/EXPORT_FILENAME02.dmp", block number 276 (block size=4096)