@MSGID: 2675.fido_englisht@1:124/5016 2bc117ca
@REPLY: 2:221/360.0 675bcc70
@TZUTC: -0600
@PID: Synchronet 3.20a-Linux master/801010bf2 Dec 08
2024 GCC 11.4.0
@TID: SBBSecho 3.23-Linux master/801010bf2 Dec 08
2024 GCC 11.4.0
@BBSID: EOTLBBS
@CHRS: ASCII 1
@NOTE: FSEditor.js v1.105
  Re: Wall
  By: Alexander Koryagin to All on Fri Dec 13 2024 07:56:02

 > Why is "solid wall" without "a" article? It is a countable noun, isn`t it?

I`d just say, "oops" and call it a day.
--- SBBSecho 3.23-Linux
 * Origin: End Of The Line BBS - endofthelinebbs.com (1:124/5016)
SEEN-BY: 10/0 1 19/10 50/109 102/401 103/1 705
124/5016 153/757 154/10 214/22
SEEN-BY: 218/0 1 215 601 700 720 840 850 860
880 221/1 6 360 229/426 301/1
SEEN-BY: 335/364 341/66 234 396/45 450/1024 463/68
467/888 770/1 5000/111
SEEN-BY: 5001/100 5005/49 5015/42 46 5020/715 830
846 848 1042 4441 12000
SEEN-BY: 5022/128 5030/49 1081 1474 1900 5053/51
5058/104 5060/900 5061/133
SEEN-BY: 5075/128 5083/1 444
@PATH: 124/5016 218/700 840 221/6 5020/1042 4441