cannot open file in numbers

I am also having this issue. As of this morning, Numbers crashes after opening.

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Process: Numbers [1726]

Path: /Applications/Numbers.app/Contents/MacOS/Numbers

Identifier: com.apple.iWork.Numbers

Version: 11.1 (7031.0.102)

Build Info: Numbers-7031000102000000~2 (1A104)

App Item ID: 409203825

App External ID: 842170571

Code Type: X86-64 (Native)

Parent Process: ??? [1]

Responsible: Numbers [1726]

Date/Time: 2021-06-08 11:50:58.941 -0400

OS Version: macOS 11.2.3 (20D91)

Report Version: 12

Bridge OS Version: 5.2 (18P4347)

Anonymous UUID: F34E7AE8-8286-5858-1233-7F9696F2AE91

Sleep/Wake UUID: 085A7688-FAD5-4B5E-876B-700F367AC98D

Time Awake Since Boot: 5700 seconds

Time Since Wake: 3700 seconds

System Integrity Protection: enabled

Crashed Thread: 5 Dispatch queue: com.apple.CoreText.fontdescriptorMatching

Exception Type: EXC_BAD_INSTRUCTION (SIGILL)

Exception Codes: 0x0000000000000001, 0x0000000000000000

Exception Note: EXC_CORPSE_NOTIFY

Termination Signal: Illegal instruction: 4

Termination Reason: Namespace SIGNAL, Code 0x4

Terminating Process: exc handler [1726]

I am having this error too, but it occurs as soon as I open Pages. It does not stay open long enough for me to open any files. I have rebooted in safe mode, emptied ~/Library/Caches and restarted, to no avail. The application is unusable. Exact same error message as above.

Date/Time: 2021-06-10 06:45:57.993 -0700

OS Version: macOS 11.2 (20D64)

Report Version: 12

Bridge OS Version: 5.2 (18P4346)

Anonymous UUID: BB37C62A-B4DA-19BF-0880-0624A25E245D

Time Awake Since Boot: 83 seconds

System Integrity Protection: enabled

Crashed Thread: 5 Dispatch queue: com.apple.CoreText.fontdescriptorMatching

Exception Type: EXC_BAD_INSTRUCTION (SIGILL)

Exception Codes: 0x0000000000000001, 0x0000000000000000

Exception Note: EXC_CORPSE_NOTIFY

Termination Signal: Illegal instruction: 4

Termination Reason: Namespace SIGNAL, Code 0x4

Terminating Process: exc handler [843]

Update to the latest version of Big Sur, currently 11.4.

System Preferences > Software Update.

SG